Home / 7,746.52-11,619.80-3,642.52

Finding the Fourth Proportional to 7,746.52, 11,619.80 and 3,642.52

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Solution

The fourth proportional to 7,746.52, 11,619.80 and 3,642.52 is: 5,463.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.52 : 11,619.80 = 3,642.52 : x
  2. Step 2: Convert to fraction form
    7,746.52/11,619.80 = 3,642.52/x
  3. Step 3: Cross multiply
    7,746.52x = 11,619.80 × 3,642.52
  4. Step 4: Simplify right side
    7,746.52x = 42,325,353.90
  5. Step 5: Solve for x
    x = 42,325,353.90/7,746.52
  6. Step 6: Final answer
    x = 5,463.79

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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.