Home / 9,164.39-12,646.86-4,972.64

Finding the Fourth Proportional to 9,164.39, 12,646.86 and 4,972.64

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Solution

The fourth proportional to 9,164.39, 12,646.86 and 4,972.64 is: 6,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164.39 : 12,646.86 = 4,972.64 : x
  2. Step 2: Convert to fraction form
    9,164.39/12,646.86 = 4,972.64/x
  3. Step 3: Cross multiply
    9,164.39x = 12,646.86 × 4,972.64
  4. Step 4: Simplify right side
    9,164.39x = 62,888,281.91
  5. Step 5: Solve for x
    x = 62,888,281.91/9,164.39
  6. Step 6: Final answer
    x = 6,862.24

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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.