Home / 7,539.68-10,405.17-4,555.49

Finding the Fourth Proportional to 7,539.68, 10,405.17 and 4,555.49

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Solution

The fourth proportional to 7,539.68, 10,405.17 and 4,555.49 is: 6,286.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.68 : 10,405.17 = 4,555.49 : x
  2. Step 2: Convert to fraction form
    7,539.68/10,405.17 = 4,555.49/x
  3. Step 3: Cross multiply
    7,539.68x = 10,405.17 × 4,555.49
  4. Step 4: Simplify right side
    7,539.68x = 47,400,595.86
  5. Step 5: Solve for x
    x = 47,400,595.86/7,539.68
  6. Step 6: Final answer
    x = 6,286.82

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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.