Home / 8,265.52-11,403.12-5,280.58

Finding the Fourth Proportional to 8,265.52, 11,403.12 and 5,280.58

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Solution

The fourth proportional to 8,265.52, 11,403.12 and 5,280.58 is: 7,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.52 : 11,403.12 = 5,280.58 : x
  2. Step 2: Convert to fraction form
    8,265.52/11,403.12 = 5,280.58/x
  3. Step 3: Cross multiply
    8,265.52x = 11,403.12 × 5,280.58
  4. Step 4: Simplify right side
    8,265.52x = 60,215,087.41
  5. Step 5: Solve for x
    x = 60,215,087.41/8,265.52
  6. Step 6: Final answer
    x = 7,285.09

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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.