Home / 7,610.04-11,417.28-2,680.08

Finding the Fourth Proportional to 7,610.04, 11,417.28 and 2,680.08

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Solution

The fourth proportional to 7,610.04, 11,417.28 and 2,680.08 is: 4,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,610.04 : 11,417.28 = 2,680.08 : x
  2. Step 2: Convert to fraction form
    7,610.04/11,417.28 = 2,680.08/x
  3. Step 3: Cross multiply
    7,610.04x = 11,417.28 × 2,680.08
  4. Step 4: Simplify right side
    7,610.04x = 30,599,223.78
  5. Step 5: Solve for x
    x = 30,599,223.78/7,610.04
  6. Step 6: Final answer
    x = 4,020.90

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1.5x scale

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.