Home / 8,250.39-11,384.84-4,712.91

Finding the Fourth Proportional to 8,250.39, 11,384.84 and 4,712.91

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Solution

The fourth proportional to 8,250.39, 11,384.84 and 4,712.91 is: 6,503.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.39 : 11,384.84 = 4,712.91 : x
  2. Step 2: Convert to fraction form
    8,250.39/11,384.84 = 4,712.91/x
  3. Step 3: Cross multiply
    8,250.39x = 11,384.84 × 4,712.91
  4. Step 4: Simplify right side
    8,250.39x = 53,655,702.72
  5. Step 5: Solve for x
    x = 53,655,702.72/8,250.39
  6. Step 6: Final answer
    x = 6,503.41

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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.