Home / 7,521.88-10,380.54-4,538.68

Finding the Fourth Proportional to 7,521.88, 10,380.54 and 4,538.68

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Solution

The fourth proportional to 7,521.88, 10,380.54 and 4,538.68 is: 6,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.88 : 10,380.54 = 4,538.68 : x
  2. Step 2: Convert to fraction form
    7,521.88/10,380.54 = 4,538.68/x
  3. Step 3: Cross multiply
    7,521.88x = 10,380.54 × 4,538.68
  4. Step 4: Simplify right side
    7,521.88x = 47,113,949.29
  5. Step 5: Solve for x
    x = 47,113,949.29/7,521.88
  6. Step 6: Final answer
    x = 6,263.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.