Home / 7,077.92-10,619.10-4,269.85

Finding the Fourth Proportional to 7,077.92, 10,619.10 and 4,269.85

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Solution

The fourth proportional to 7,077.92, 10,619.10 and 4,269.85 is: 6,406.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.92 : 10,619.10 = 4,269.85 : x
  2. Step 2: Convert to fraction form
    7,077.92/10,619.10 = 4,269.85/x
  3. Step 3: Cross multiply
    7,077.92x = 10,619.10 × 4,269.85
  4. Step 4: Simplify right side
    7,077.92x = 45,341,937.59
  5. Step 5: Solve for x
    x = 45,341,937.59/7,077.92
  6. Step 6: Final answer
    x = 6,406.12

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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.