Home / 7,480.70-11,207.55-4,358.15

Finding the Fourth Proportional to 7,480.70, 11,207.55 and 4,358.15

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Solution

The fourth proportional to 7,480.70, 11,207.55 and 4,358.15 is: 6,529.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.70 : 11,207.55 = 4,358.15 : x
  2. Step 2: Convert to fraction form
    7,480.70/11,207.55 = 4,358.15/x
  3. Step 3: Cross multiply
    7,480.70x = 11,207.55 × 4,358.15
  4. Step 4: Simplify right side
    7,480.70x = 48,844,184.03
  5. Step 5: Solve for x
    x = 48,844,184.03/7,480.70
  6. Step 6: Final answer
    x = 6,529.36

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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.