Home / 7,374.12-10,186.61-5,134.88

Finding the Fourth Proportional to 7,374.12, 10,186.61 and 5,134.88

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Solution

The fourth proportional to 7,374.12, 10,186.61 and 5,134.88 is: 7,093.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.12 : 10,186.61 = 5,134.88 : x
  2. Step 2: Convert to fraction form
    7,374.12/10,186.61 = 5,134.88/x
  3. Step 3: Cross multiply
    7,374.12x = 10,186.61 × 5,134.88
  4. Step 4: Simplify right side
    7,374.12x = 52,306,943.35
  5. Step 5: Solve for x
    x = 52,306,943.35/7,374.12
  6. Step 6: Final answer
    x = 7,093.31

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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.