Home / 7,635.12-10,535.88-4,277.68

Finding the Fourth Proportional to 7,635.12, 10,535.88 and 4,277.68

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Solution

The fourth proportional to 7,635.12, 10,535.88 and 4,277.68 is: 5,902.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,635.12 : 10,535.88 = 4,277.68 : x
  2. Step 2: Convert to fraction form
    7,635.12/10,535.88 = 4,277.68/x
  3. Step 3: Cross multiply
    7,635.12x = 10,535.88 × 4,277.68
  4. Step 4: Simplify right side
    7,635.12x = 45,069,123.16
  5. Step 5: Solve for x
    x = 45,069,123.16/7,635.12
  6. Step 6: Final answer
    x = 5,902.87

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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.