Home / 7,715.52-11,570.04-2,449.08

Finding the Fourth Proportional to 7,715.52, 11,570.04 and 2,449.08

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Solution

The fourth proportional to 7,715.52, 11,570.04 and 2,449.08 is: 3,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.52 : 11,570.04 = 2,449.08 : x
  2. Step 2: Convert to fraction form
    7,715.52/11,570.04 = 2,449.08/x
  3. Step 3: Cross multiply
    7,715.52x = 11,570.04 × 2,449.08
  4. Step 4: Simplify right side
    7,715.52x = 28,335,953.56
  5. Step 5: Solve for x
    x = 28,335,953.56/7,715.52
  6. Step 6: Final answer
    x = 3,672.59

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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.