Home / 6,478.52-8,937.54-4,119.39

Finding the Fourth Proportional to 6,478.52, 8,937.54 and 4,119.39

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Solution

The fourth proportional to 6,478.52, 8,937.54 and 4,119.39 is: 5,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478.52 : 8,937.54 = 4,119.39 : x
  2. Step 2: Convert to fraction form
    6,478.52/8,937.54 = 4,119.39/x
  3. Step 3: Cross multiply
    6,478.52x = 8,937.54 × 4,119.39
  4. Step 4: Simplify right side
    6,478.52x = 36,817,212.90
  5. Step 5: Solve for x
    x = 36,817,212.90/6,478.52
  6. Step 6: Final answer
    x = 5,682.97

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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.