Home / 8,242.71-11,374.95-4,887.17

Finding the Fourth Proportional to 8,242.71, 11,374.95 and 4,887.17

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Solution

The fourth proportional to 8,242.71, 11,374.95 and 4,887.17 is: 6,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.71 : 11,374.95 = 4,887.17 : x
  2. Step 2: Convert to fraction form
    8,242.71/11,374.95 = 4,887.17/x
  3. Step 3: Cross multiply
    8,242.71x = 11,374.95 × 4,887.17
  4. Step 4: Simplify right side
    8,242.71x = 55,591,257.52
  5. Step 5: Solve for x
    x = 55,591,257.52/8,242.71
  6. Step 6: Final answer
    x = 6,744.29

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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.