Home / 7,505.10-11,242.80-6,581.70

Finding the Fourth Proportional to 7,505.10, 11,242.80 and 6,581.70

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Solution

The fourth proportional to 7,505.10, 11,242.80 and 6,581.70 is: 9,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.10 : 11,242.80 = 6,581.70 : x
  2. Step 2: Convert to fraction form
    7,505.10/11,242.80 = 6,581.70/x
  3. Step 3: Cross multiply
    7,505.10x = 11,242.80 × 6,581.70
  4. Step 4: Simplify right side
    7,505.10x = 73,996,736.76
  5. Step 5: Solve for x
    x = 73,996,736.76/7,505.10
  6. Step 6: Final answer
    x = 9,859.53

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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.