Home / 8,373.36-12,562.16-3,176.40

Finding the Fourth Proportional to 8,373.36, 12,562.16 and 3,176.40

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Solution

The fourth proportional to 8,373.36, 12,562.16 and 3,176.40 is: 4,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.36 : 12,562.16 = 3,176.40 : x
  2. Step 2: Convert to fraction form
    8,373.36/12,562.16 = 3,176.40/x
  3. Step 3: Cross multiply
    8,373.36x = 12,562.16 × 3,176.40
  4. Step 4: Simplify right side
    8,373.36x = 39,902,445.02
  5. Step 5: Solve for x
    x = 39,902,445.02/8,373.36
  6. Step 6: Final answer
    x = 4,765.40

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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.