Home / 7,312.25-10,968.35-2,381.87

Finding the Fourth Proportional to 7,312.25, 10,968.35 and 2,381.87

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Solution

The fourth proportional to 7,312.25, 10,968.35 and 2,381.87 is: 3,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.25 : 10,968.35 = 2,381.87 : x
  2. Step 2: Convert to fraction form
    7,312.25/10,968.35 = 2,381.87/x
  3. Step 3: Cross multiply
    7,312.25x = 10,968.35 × 2,381.87
  4. Step 4: Simplify right side
    7,312.25x = 26,125,199.33
  5. Step 5: Solve for x
    x = 26,125,199.33/7,312.25
  6. Step 6: Final answer
    x = 3,572.80

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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.