Home / 8,935.89-12,332.08-5,159.22

Finding the Fourth Proportional to 8,935.89, 12,332.08 and 5,159.22

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Solution

The fourth proportional to 8,935.89, 12,332.08 and 5,159.22 is: 7,120.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.89 : 12,332.08 = 5,159.22 : x
  2. Step 2: Convert to fraction form
    8,935.89/12,332.08 = 5,159.22/x
  3. Step 3: Cross multiply
    8,935.89x = 12,332.08 × 5,159.22
  4. Step 4: Simplify right side
    8,935.89x = 63,623,913.78
  5. Step 5: Solve for x
    x = 63,623,913.78/8,935.89
  6. Step 6: Final answer
    x = 7,120.04

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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.