Home / 8,333.92-12,501.04-2,178.08

Finding the Fourth Proportional to 8,333.92, 12,501.04 and 2,178.08

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Solution

The fourth proportional to 8,333.92, 12,501.04 and 2,178.08 is: 3,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.92 : 12,501.04 = 2,178.08 : x
  2. Step 2: Convert to fraction form
    8,333.92/12,501.04 = 2,178.08/x
  3. Step 3: Cross multiply
    8,333.92x = 12,501.04 × 2,178.08
  4. Step 4: Simplify right side
    8,333.92x = 27,228,265.20
  5. Step 5: Solve for x
    x = 27,228,265.20/8,333.92
  6. Step 6: Final answer
    x = 3,267.16

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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.