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Finding the Fourth Proportional to 8,588.80, 12,875.70 and 3,327.40

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Solution

The fourth proportional to 8,588.80, 12,875.70 and 3,327.40 is: 4,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.80 : 12,875.70 = 3,327.40 : x
  2. Step 2: Convert to fraction form
    8,588.80/12,875.70 = 3,327.40/x
  3. Step 3: Cross multiply
    8,588.80x = 12,875.70 × 3,327.40
  4. Step 4: Simplify right side
    8,588.80x = 42,842,604.18
  5. Step 5: Solve for x
    x = 42,842,604.18/8,588.80
  6. Step 6: Final answer
    x = 4,988.19

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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.