Home / 7,430.52-11,147.51-2,165.66

Finding the Fourth Proportional to 7,430.52, 11,147.51 and 2,165.66

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Solution

The fourth proportional to 7,430.52, 11,147.51 and 2,165.66 is: 3,248.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.52 : 11,147.51 = 2,165.66 : x
  2. Step 2: Convert to fraction form
    7,430.52/11,147.51 = 2,165.66/x
  3. Step 3: Cross multiply
    7,430.52x = 11,147.51 × 2,165.66
  4. Step 4: Simplify right side
    7,430.52x = 24,141,649.94
  5. Step 5: Solve for x
    x = 24,141,649.94/7,430.52
  6. Step 6: Final answer
    x = 3,248.99

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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.