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Finding the Fourth Proportional to 8,787, 12,126.07 and 4,808.08

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Solution

The fourth proportional to 8,787, 12,126.07 and 4,808.08 is: 6,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787 : 12,126.07 = 4,808.08 : x
  2. Step 2: Convert to fraction form
    8,787/12,126.07 = 4,808.08/x
  3. Step 3: Cross multiply
    8,787x = 12,126.07 × 4,808.08
  4. Step 4: Simplify right side
    8,787x = 58,303,114.65
  5. Step 5: Solve for x
    x = 58,303,114.65/8,787
  6. Step 6: Final answer
    x = 6,635.16

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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.