Home / 9,240.12-13,864.50-5,347.80

Finding the Fourth Proportional to 9,240.12, 13,864.50 and 5,347.80

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Solution

The fourth proportional to 9,240.12, 13,864.50 and 5,347.80 is: 8,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.12 : 13,864.50 = 5,347.80 : x
  2. Step 2: Convert to fraction form
    9,240.12/13,864.50 = 5,347.80/x
  3. Step 3: Cross multiply
    9,240.12x = 13,864.50 × 5,347.80
  4. Step 4: Simplify right side
    9,240.12x = 74,144,573.10
  5. Step 5: Solve for x
    x = 74,144,573.10/9,240.12
  6. Step 6: Final answer
    x = 8,024.20

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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.