Home / 7,077.05-10,613.87-2,078.24

Finding the Fourth Proportional to 7,077.05, 10,613.87 and 2,078.24

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Solution

The fourth proportional to 7,077.05, 10,613.87 and 2,078.24 is: 3,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.05 : 10,613.87 = 2,078.24 : x
  2. Step 2: Convert to fraction form
    7,077.05/10,613.87 = 2,078.24/x
  3. Step 3: Cross multiply
    7,077.05x = 10,613.87 × 2,078.24
  4. Step 4: Simplify right side
    7,077.05x = 22,058,113.52
  5. Step 5: Solve for x
    x = 22,058,113.52/7,077.05
  6. Step 6: Final answer
    x = 3,116.85

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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.