Home / 8,316.48-12,478.32-3,937.04

Finding the Fourth Proportional to 8,316.48, 12,478.32 and 3,937.04

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Solution

The fourth proportional to 8,316.48, 12,478.32 and 3,937.04 is: 5,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.48 : 12,478.32 = 3,937.04 : x
  2. Step 2: Convert to fraction form
    8,316.48/12,478.32 = 3,937.04/x
  3. Step 3: Cross multiply
    8,316.48x = 12,478.32 × 3,937.04
  4. Step 4: Simplify right side
    8,316.48x = 49,127,644.97
  5. Step 5: Solve for x
    x = 49,127,644.97/8,316.48
  6. Step 6: Final answer
    x = 5,907.26

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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.