Home / 8,381.38-12,577.36-4,686.03

Finding the Fourth Proportional to 8,381.38, 12,577.36 and 4,686.03

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Solution

The fourth proportional to 8,381.38, 12,577.36 and 4,686.03 is: 7,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381.38 : 12,577.36 = 4,686.03 : x
  2. Step 2: Convert to fraction form
    8,381.38/12,577.36 = 4,686.03/x
  3. Step 3: Cross multiply
    8,381.38x = 12,577.36 × 4,686.03
  4. Step 4: Simplify right side
    8,381.38x = 58,937,886.28
  5. Step 5: Solve for x
    x = 58,937,886.28/8,381.38
  6. Step 6: Final answer
    x = 7,032.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.