Home / 8,158.15-11,257.86-4,621.39

Finding the Fourth Proportional to 8,158.15, 11,257.86 and 4,621.39

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Solution

The fourth proportional to 8,158.15, 11,257.86 and 4,621.39 is: 6,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.15 : 11,257.86 = 4,621.39 : x
  2. Step 2: Convert to fraction form
    8,158.15/11,257.86 = 4,621.39/x
  3. Step 3: Cross multiply
    8,158.15x = 11,257.86 × 4,621.39
  4. Step 4: Simplify right side
    8,158.15x = 52,026,905.34
  5. Step 5: Solve for x
    x = 52,026,905.34/8,158.15
  6. Step 6: Final answer
    x = 6,377.30

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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.