Home / 8,174.12-11,280.56-5,343.35

Finding the Fourth Proportional to 8,174.12, 11,280.56 and 5,343.35

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Solution

The fourth proportional to 8,174.12, 11,280.56 and 5,343.35 is: 7,374.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.12 : 11,280.56 = 5,343.35 : x
  2. Step 2: Convert to fraction form
    8,174.12/11,280.56 = 5,343.35/x
  3. Step 3: Cross multiply
    8,174.12x = 11,280.56 × 5,343.35
  4. Step 4: Simplify right side
    8,174.12x = 60,275,897.16
  5. Step 5: Solve for x
    x = 60,275,897.16/8,174.12
  6. Step 6: Final answer
    x = 7,374.00

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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.