Home / 7,742.17-11,615.28-3,360.48

Finding the Fourth Proportional to 7,742.17, 11,615.28 and 3,360.48

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Solution

The fourth proportional to 7,742.17, 11,615.28 and 3,360.48 is: 5,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.17 : 11,615.28 = 3,360.48 : x
  2. Step 2: Convert to fraction form
    7,742.17/11,615.28 = 3,360.48/x
  3. Step 3: Cross multiply
    7,742.17x = 11,615.28 × 3,360.48
  4. Step 4: Simplify right side
    7,742.17x = 39,032,916.13
  5. Step 5: Solve for x
    x = 39,032,916.13/7,742.17
  6. Step 6: Final answer
    x = 5,041.60

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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.