Home / 8,747.07-13,117.57-2,902.31

Finding the Fourth Proportional to 8,747.07, 13,117.57 and 2,902.31

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Solution

The fourth proportional to 8,747.07, 13,117.57 and 2,902.31 is: 4,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.07 : 13,117.57 = 2,902.31 : x
  2. Step 2: Convert to fraction form
    8,747.07/13,117.57 = 2,902.31/x
  3. Step 3: Cross multiply
    8,747.07x = 13,117.57 × 2,902.31
  4. Step 4: Simplify right side
    8,747.07x = 38,071,280.12
  5. Step 5: Solve for x
    x = 38,071,280.12/8,747.07
  6. Step 6: Final answer
    x = 4,352.46

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1.5x scale

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.