Home / 7,478.24-11,219.52-3,585.92

Finding the Fourth Proportional to 7,478.24, 11,219.52 and 3,585.92

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Solution

The fourth proportional to 7,478.24, 11,219.52 and 3,585.92 is: 5,379.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.24 : 11,219.52 = 3,585.92 : x
  2. Step 2: Convert to fraction form
    7,478.24/11,219.52 = 3,585.92/x
  3. Step 3: Cross multiply
    7,478.24x = 11,219.52 × 3,585.92
  4. Step 4: Simplify right side
    7,478.24x = 40,232,301.16
  5. Step 5: Solve for x
    x = 40,232,301.16/7,478.24
  6. Step 6: Final answer
    x = 5,379.92

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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.