Home / 6,925.11-10,386.54-1,993.62

Finding the Fourth Proportional to 6,925.11, 10,386.54 and 1,993.62

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Solution

The fourth proportional to 6,925.11, 10,386.54 and 1,993.62 is: 2,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.11 : 10,386.54 = 1,993.62 : x
  2. Step 2: Convert to fraction form
    6,925.11/10,386.54 = 1,993.62/x
  3. Step 3: Cross multiply
    6,925.11x = 10,386.54 × 1,993.62
  4. Step 4: Simplify right side
    6,925.11x = 20,706,852.82
  5. Step 5: Solve for x
    x = 20,706,852.82/6,925.11
  6. Step 6: Final answer
    x = 2,990.11

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Half scale
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Double scale
Find fourth proportional to 6,926.11, 10,388.04 and 1,994.62
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.