Home / 7,112.52-10,665.19-4,151.98

Finding the Fourth Proportional to 7,112.52, 10,665.19 and 4,151.98

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Solution

The fourth proportional to 7,112.52, 10,665.19 and 4,151.98 is: 6,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.52 : 10,665.19 = 4,151.98 : x
  2. Step 2: Convert to fraction form
    7,112.52/10,665.19 = 4,151.98/x
  3. Step 3: Cross multiply
    7,112.52x = 10,665.19 × 4,151.98
  4. Step 4: Simplify right side
    7,112.52x = 44,281,655.58
  5. Step 5: Solve for x
    x = 44,281,655.58/7,112.52
  6. Step 6: Final answer
    x = 6,225.87

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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.