Home / 8,259.18-11,407.14-5,439.17

Finding the Fourth Proportional to 8,259.18, 11,407.14 and 5,439.17

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Solution

The fourth proportional to 8,259.18, 11,407.14 and 5,439.17 is: 7,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.18 : 11,407.14 = 5,439.17 : x
  2. Step 2: Convert to fraction form
    8,259.18/11,407.14 = 5,439.17/x
  3. Step 3: Cross multiply
    8,259.18x = 11,407.14 × 5,439.17
  4. Step 4: Simplify right side
    8,259.18x = 62,045,373.67
  5. Step 5: Solve for x
    x = 62,045,373.67/8,259.18
  6. Step 6: Final answer
    x = 7,512.29

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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.