Home / 4,712.90-6,498.30-3,917.15

Finding the Fourth Proportional to 4,712.90, 6,498.30 and 3,917.15

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Solution

The fourth proportional to 4,712.90, 6,498.30 and 3,917.15 is: 5,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.90 : 6,498.30 = 3,917.15 : x
  2. Step 2: Convert to fraction form
    4,712.90/6,498.30 = 3,917.15/x
  3. Step 3: Cross multiply
    4,712.90x = 6,498.30 × 3,917.15
  4. Step 4: Simplify right side
    4,712.90x = 25,454,822.41
  5. Step 5: Solve for x
    x = 25,454,822.41/4,712.90
  6. Step 6: Final answer
    x = 5,401.10

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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.