Home / 8,870.19-12,241.40-4,891.29

Finding the Fourth Proportional to 8,870.19, 12,241.40 and 4,891.29

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Solution

The fourth proportional to 8,870.19, 12,241.40 and 4,891.29 is: 6,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.19 : 12,241.40 = 4,891.29 : x
  2. Step 2: Convert to fraction form
    8,870.19/12,241.40 = 4,891.29/x
  3. Step 3: Cross multiply
    8,870.19x = 12,241.40 × 4,891.29
  4. Step 4: Simplify right side
    8,870.19x = 59,876,237.41
  5. Step 5: Solve for x
    x = 59,876,237.41/8,870.19
  6. Step 6: Final answer
    x = 6,750.28

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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.