Home / 7,151.04-10,711.86-3,442.32

Finding the Fourth Proportional to 7,151.04, 10,711.86 and 3,442.32

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Solution

The fourth proportional to 7,151.04, 10,711.86 and 3,442.32 is: 5,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.04 : 10,711.86 = 3,442.32 : x
  2. Step 2: Convert to fraction form
    7,151.04/10,711.86 = 3,442.32/x
  3. Step 3: Cross multiply
    7,151.04x = 10,711.86 × 3,442.32
  4. Step 4: Simplify right side
    7,151.04x = 36,873,649.92
  5. Step 5: Solve for x
    x = 36,873,649.92/7,151.04
  6. Step 6: Final answer
    x = 5,156.40

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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.