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Finding the Fourth Proportional to 8,502.77, 12,754.87 and 2,880.16

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Solution

The fourth proportional to 8,502.77, 12,754.87 and 2,880.16 is: 4,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.77 : 12,754.87 = 2,880.16 : x
  2. Step 2: Convert to fraction form
    8,502.77/12,754.87 = 2,880.16/x
  3. Step 3: Cross multiply
    8,502.77x = 12,754.87 × 2,880.16
  4. Step 4: Simplify right side
    8,502.77x = 36,736,027.29
  5. Step 5: Solve for x
    x = 36,736,027.29/8,502.77
  6. Step 6: Final answer
    x = 4,320.48

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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.