Home / 7,439.76-11,162.34-3,057.66

Finding the Fourth Proportional to 7,439.76, 11,162.34 and 3,057.66

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Solution

The fourth proportional to 7,439.76, 11,162.34 and 3,057.66 is: 4,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.76 : 11,162.34 = 3,057.66 : x
  2. Step 2: Convert to fraction form
    7,439.76/11,162.34 = 3,057.66/x
  3. Step 3: Cross multiply
    7,439.76x = 11,162.34 × 3,057.66
  4. Step 4: Simplify right side
    7,439.76x = 34,130,640.52
  5. Step 5: Solve for x
    x = 34,130,640.52/7,439.76
  6. Step 6: Final answer
    x = 4,587.60

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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.