Home / 6,637.08-9,160.05-4,286.06

Finding the Fourth Proportional to 6,637.08, 9,160.05 and 4,286.06

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Solution

The fourth proportional to 6,637.08, 9,160.05 and 4,286.06 is: 5,915.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.08 : 9,160.05 = 4,286.06 : x
  2. Step 2: Convert to fraction form
    6,637.08/9,160.05 = 4,286.06/x
  3. Step 3: Cross multiply
    6,637.08x = 9,160.05 × 4,286.06
  4. Step 4: Simplify right side
    6,637.08x = 39,260,523.90
  5. Step 5: Solve for x
    x = 39,260,523.90/6,637.08
  6. Step 6: Final answer
    x = 5,915.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.