Home / 6,649-9,973.46-1,718.62

Finding the Fourth Proportional to 6,649, 9,973.46 and 1,718.62

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Solution

The fourth proportional to 6,649, 9,973.46 and 1,718.62 is: 2,577.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649 : 9,973.46 = 1,718.62 : x
  2. Step 2: Convert to fraction form
    6,649/9,973.46 = 1,718.62/x
  3. Step 3: Cross multiply
    6,649x = 9,973.46 × 1,718.62
  4. Step 4: Simplify right side
    6,649x = 17,140,587.83
  5. Step 5: Solve for x
    x = 17,140,587.83/6,649
  6. Step 6: Final answer
    x = 2,577.92

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Half scale
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Double scale
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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.