Home / 7,573.12-11,359.74-2,642.74

Finding the Fourth Proportional to 7,573.12, 11,359.74 and 2,642.74

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Solution

The fourth proportional to 7,573.12, 11,359.74 and 2,642.74 is: 3,964.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,573.12 : 11,359.74 = 2,642.74 : x
  2. Step 2: Convert to fraction form
    7,573.12/11,359.74 = 2,642.74/x
  3. Step 3: Cross multiply
    7,573.12x = 11,359.74 × 2,642.74
  4. Step 4: Simplify right side
    7,573.12x = 30,020,839.29
  5. Step 5: Solve for x
    x = 30,020,839.29/7,573.12
  6. Step 6: Final answer
    x = 3,964.13

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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.