Home / 7,456.13-11,184.57-1,909.52

Finding the Fourth Proportional to 7,456.13, 11,184.57 and 1,909.52

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Solution

The fourth proportional to 7,456.13, 11,184.57 and 1,909.52 is: 2,864.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.13 : 11,184.57 = 1,909.52 : x
  2. Step 2: Convert to fraction form
    7,456.13/11,184.57 = 1,909.52/x
  3. Step 3: Cross multiply
    7,456.13x = 11,184.57 × 1,909.52
  4. Step 4: Simplify right side
    7,456.13x = 21,357,160.11
  5. Step 5: Solve for x
    x = 21,357,160.11/7,456.13
  6. Step 6: Final answer
    x = 2,864.38

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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.