Home / 7,077.12-10,615.56-2,460

Finding the Fourth Proportional to 7,077.12, 10,615.56 and 2,460

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Solution

The fourth proportional to 7,077.12, 10,615.56 and 2,460 is: 3,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.12 : 10,615.56 = 2,460 : x
  2. Step 2: Convert to fraction form
    7,077.12/10,615.56 = 2,460/x
  3. Step 3: Cross multiply
    7,077.12x = 10,615.56 × 2,460
  4. Step 4: Simplify right side
    7,077.12x = 26,114,277.60
  5. Step 5: Solve for x
    x = 26,114,277.60/7,077.12
  6. Step 6: Final answer
    x = 3,689.96

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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.