Home / 8,931.17-13,397.27-2,692.05

Finding the Fourth Proportional to 8,931.17, 13,397.27 and 2,692.05

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Solution

The fourth proportional to 8,931.17, 13,397.27 and 2,692.05 is: 4,038.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.17 : 13,397.27 = 2,692.05 : x
  2. Step 2: Convert to fraction form
    8,931.17/13,397.27 = 2,692.05/x
  3. Step 3: Cross multiply
    8,931.17x = 13,397.27 × 2,692.05
  4. Step 4: Simplify right side
    8,931.17x = 36,066,057.00
  5. Step 5: Solve for x
    x = 36,066,057.00/8,931.17
  6. Step 6: Final answer
    x = 4,038.22

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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.