Home / 7,502.10-11,265.30-4,221.60

Finding the Fourth Proportional to 7,502.10, 11,265.30 and 4,221.60

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Solution

The fourth proportional to 7,502.10, 11,265.30 and 4,221.60 is: 6,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.10 : 11,265.30 = 4,221.60 : x
  2. Step 2: Convert to fraction form
    7,502.10/11,265.30 = 4,221.60/x
  3. Step 3: Cross multiply
    7,502.10x = 11,265.30 × 4,221.60
  4. Step 4: Simplify right side
    7,502.10x = 47,557,590.48
  5. Step 5: Solve for x
    x = 47,557,590.48/7,502.10
  6. Step 6: Final answer
    x = 6,339.24

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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.