Home / 6,042.95-8,338.85-3,390.76

Finding the Fourth Proportional to 6,042.95, 8,338.85 and 3,390.76

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Solution

The fourth proportional to 6,042.95, 8,338.85 and 3,390.76 is: 4,679.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,042.95 : 8,338.85 = 3,390.76 : x
  2. Step 2: Convert to fraction form
    6,042.95/8,338.85 = 3,390.76/x
  3. Step 3: Cross multiply
    6,042.95x = 8,338.85 × 3,390.76
  4. Step 4: Simplify right side
    6,042.95x = 28,275,045.21
  5. Step 5: Solve for x
    x = 28,275,045.21/6,042.95
  6. Step 6: Final answer
    x = 4,679.01

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Half scale
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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.