Home / 7,495.30-10,344.18-4,138.75

Finding the Fourth Proportional to 7,495.30, 10,344.18 and 4,138.75

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Solution

The fourth proportional to 7,495.30, 10,344.18 and 4,138.75 is: 5,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.30 : 10,344.18 = 4,138.75 : x
  2. Step 2: Convert to fraction form
    7,495.30/10,344.18 = 4,138.75/x
  3. Step 3: Cross multiply
    7,495.30x = 10,344.18 × 4,138.75
  4. Step 4: Simplify right side
    7,495.30x = 42,811,974.98
  5. Step 5: Solve for x
    x = 42,811,974.98/7,495.30
  6. Step 6: Final answer
    x = 5,711.84

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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.