Home / 6,657.39-9,988.01-2,154.35

Finding the Fourth Proportional to 6,657.39, 9,988.01 and 2,154.35

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Solution

The fourth proportional to 6,657.39, 9,988.01 and 2,154.35 is: 3,232.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657.39 : 9,988.01 = 2,154.35 : x
  2. Step 2: Convert to fraction form
    6,657.39/9,988.01 = 2,154.35/x
  3. Step 3: Cross multiply
    6,657.39x = 9,988.01 × 2,154.35
  4. Step 4: Simplify right side
    6,657.39x = 21,517,608.63
  5. Step 5: Solve for x
    x = 21,517,608.63/6,657.39
  6. Step 6: Final answer
    x = 3,232.14

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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.