Home / 8,865.90-13,295.70-3,926.70

Finding the Fourth Proportional to 8,865.90, 13,295.70 and 3,926.70

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Solution

The fourth proportional to 8,865.90, 13,295.70 and 3,926.70 is: 5,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.90 : 13,295.70 = 3,926.70 : x
  2. Step 2: Convert to fraction form
    8,865.90/13,295.70 = 3,926.70/x
  3. Step 3: Cross multiply
    8,865.90x = 13,295.70 × 3,926.70
  4. Step 4: Simplify right side
    8,865.90x = 52,208,225.19
  5. Step 5: Solve for x
    x = 52,208,225.19/8,865.90
  6. Step 6: Final answer
    x = 5,888.65

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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.