Home / 7,500.66-11,247.15-4,386.75

Finding the Fourth Proportional to 7,500.66, 11,247.15 and 4,386.75

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Solution

The fourth proportional to 7,500.66, 11,247.15 and 4,386.75 is: 6,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.66 : 11,247.15 = 4,386.75 : x
  2. Step 2: Convert to fraction form
    7,500.66/11,247.15 = 4,386.75/x
  3. Step 3: Cross multiply
    7,500.66x = 11,247.15 × 4,386.75
  4. Step 4: Simplify right side
    7,500.66x = 49,338,435.26
  5. Step 5: Solve for x
    x = 49,338,435.26/7,500.66
  6. Step 6: Final answer
    x = 6,577.88

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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.