Home / 4,637.38-6,397.40-4,458.40

Finding the Fourth Proportional to 4,637.38, 6,397.40 and 4,458.40

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Solution

The fourth proportional to 4,637.38, 6,397.40 and 4,458.40 is: 6,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,637.38 : 6,397.40 = 4,458.40 : x
  2. Step 2: Convert to fraction form
    4,637.38/6,397.40 = 4,458.40/x
  3. Step 3: Cross multiply
    4,637.38x = 6,397.40 × 4,458.40
  4. Step 4: Simplify right side
    4,637.38x = 28,522,156.23
  5. Step 5: Solve for x
    x = 28,522,156.23/4,637.38
  6. Step 6: Final answer
    x = 6,150.49

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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.