Home / 6,115.29-8,430.24-4,519.59

Finding the Fourth Proportional to 6,115.29, 8,430.24 and 4,519.59

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Solution

The fourth proportional to 6,115.29, 8,430.24 and 4,519.59 is: 6,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.29 : 8,430.24 = 4,519.59 : x
  2. Step 2: Convert to fraction form
    6,115.29/8,430.24 = 4,519.59/x
  3. Step 3: Cross multiply
    6,115.29x = 8,430.24 × 4,519.59
  4. Step 4: Simplify right side
    6,115.29x = 38,101,228.40
  5. Step 5: Solve for x
    x = 38,101,228.40/6,115.29
  6. Step 6: Final answer
    x = 6,230.49

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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.