Home / 7,439.52-11,176.56-4,363.68

Finding the Fourth Proportional to 7,439.52, 11,176.56 and 4,363.68

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Solution

The fourth proportional to 7,439.52, 11,176.56 and 4,363.68 is: 6,555.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.52 : 11,176.56 = 4,363.68 : x
  2. Step 2: Convert to fraction form
    7,439.52/11,176.56 = 4,363.68/x
  3. Step 3: Cross multiply
    7,439.52x = 11,176.56 × 4,363.68
  4. Step 4: Simplify right side
    7,439.52x = 48,770,931.34
  5. Step 5: Solve for x
    x = 48,770,931.34/7,439.52
  6. Step 6: Final answer
    x = 6,555.66

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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.