Home / 7,581.50-10,459.50-4,747.70

Finding the Fourth Proportional to 7,581.50, 10,459.50 and 4,747.70

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Solution

The fourth proportional to 7,581.50, 10,459.50 and 4,747.70 is: 6,549.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.50 : 10,459.50 = 4,747.70 : x
  2. Step 2: Convert to fraction form
    7,581.50/10,459.50 = 4,747.70/x
  3. Step 3: Cross multiply
    7,581.50x = 10,459.50 × 4,747.70
  4. Step 4: Simplify right side
    7,581.50x = 49,658,568.15
  5. Step 5: Solve for x
    x = 49,658,568.15/7,581.50
  6. Step 6: Final answer
    x = 6,549.97

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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.