Home / 7,862.18-11,795.29-2,315.71

Finding the Fourth Proportional to 7,862.18, 11,795.29 and 2,315.71

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Solution

The fourth proportional to 7,862.18, 11,795.29 and 2,315.71 is: 3,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.18 : 11,795.29 = 2,315.71 : x
  2. Step 2: Convert to fraction form
    7,862.18/11,795.29 = 2,315.71/x
  3. Step 3: Cross multiply
    7,862.18x = 11,795.29 × 2,315.71
  4. Step 4: Simplify right side
    7,862.18x = 27,314,471.01
  5. Step 5: Solve for x
    x = 27,314,471.01/7,862.18
  6. Step 6: Final answer
    x = 3,474.16

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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.