Home / 8,748.36-12,061.44-6,512.76

Finding the Fourth Proportional to 8,748.36, 12,061.44 and 6,512.76

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Solution

The fourth proportional to 8,748.36, 12,061.44 and 6,512.76 is: 8,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.36 : 12,061.44 = 6,512.76 : x
  2. Step 2: Convert to fraction form
    8,748.36/12,061.44 = 6,512.76/x
  3. Step 3: Cross multiply
    8,748.36x = 12,061.44 × 6,512.76
  4. Step 4: Simplify right side
    8,748.36x = 78,553,263.97
  5. Step 5: Solve for x
    x = 78,553,263.97/8,748.36
  6. Step 6: Final answer
    x = 8,979.20

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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.