Home / 7,472.80-11,195.52-6,303.20

Finding the Fourth Proportional to 7,472.80, 11,195.52 and 6,303.20

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Solution

The fourth proportional to 7,472.80, 11,195.52 and 6,303.20 is: 9,443.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.80 : 11,195.52 = 6,303.20 : x
  2. Step 2: Convert to fraction form
    7,472.80/11,195.52 = 6,303.20/x
  3. Step 3: Cross multiply
    7,472.80x = 11,195.52 × 6,303.20
  4. Step 4: Simplify right side
    7,472.80x = 70,567,601.66
  5. Step 5: Solve for x
    x = 70,567,601.66/7,472.80
  6. Step 6: Final answer
    x = 9,443.26

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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.