Home / 8,863.74-13,298.31-4,187.34

Finding the Fourth Proportional to 8,863.74, 13,298.31 and 4,187.34

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Solution

The fourth proportional to 8,863.74, 13,298.31 and 4,187.34 is: 6,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.74 : 13,298.31 = 4,187.34 : x
  2. Step 2: Convert to fraction form
    8,863.74/13,298.31 = 4,187.34/x
  3. Step 3: Cross multiply
    8,863.74x = 13,298.31 × 4,187.34
  4. Step 4: Simplify right side
    8,863.74x = 55,684,545.40
  5. Step 5: Solve for x
    x = 55,684,545.40/8,863.74
  6. Step 6: Final answer
    x = 6,282.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.