Home / 7,564.82-10,439.12-4,377.61

Finding the Fourth Proportional to 7,564.82, 10,439.12 and 4,377.61

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Solution

The fourth proportional to 7,564.82, 10,439.12 and 4,377.61 is: 6,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.82 : 10,439.12 = 4,377.61 : x
  2. Step 2: Convert to fraction form
    7,564.82/10,439.12 = 4,377.61/x
  3. Step 3: Cross multiply
    7,564.82x = 10,439.12 × 4,377.61
  4. Step 4: Simplify right side
    7,564.82x = 45,698,322.02
  5. Step 5: Solve for x
    x = 45,698,322.02/7,564.82
  6. Step 6: Final answer
    x = 6,040.90

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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.