Home / 8,868.42-13,298.10-2,943.18

Finding the Fourth Proportional to 8,868.42, 13,298.10 and 2,943.18

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Solution

The fourth proportional to 8,868.42, 13,298.10 and 2,943.18 is: 4,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.42 : 13,298.10 = 2,943.18 : x
  2. Step 2: Convert to fraction form
    8,868.42/13,298.10 = 2,943.18/x
  3. Step 3: Cross multiply
    8,868.42x = 13,298.10 × 2,943.18
  4. Step 4: Simplify right side
    8,868.42x = 39,138,701.96
  5. Step 5: Solve for x
    x = 39,138,701.96/8,868.42
  6. Step 6: Final answer
    x = 4,413.27

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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.