Home / 8,941.08-12,337.79-5,165.45

Finding the Fourth Proportional to 8,941.08, 12,337.79 and 5,165.45

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Solution

The fourth proportional to 8,941.08, 12,337.79 and 5,165.45 is: 7,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.08 : 12,337.79 = 5,165.45 : x
  2. Step 2: Convert to fraction form
    8,941.08/12,337.79 = 5,165.45/x
  3. Step 3: Cross multiply
    8,941.08x = 12,337.79 × 5,165.45
  4. Step 4: Simplify right side
    8,941.08x = 63,730,265.51
  5. Step 5: Solve for x
    x = 63,730,265.51/8,941.08
  6. Step 6: Final answer
    x = 7,127.80

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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.