Home / 6,995.20-10,491.60-2,610.40

Finding the Fourth Proportional to 6,995.20, 10,491.60 and 2,610.40

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Solution

The fourth proportional to 6,995.20, 10,491.60 and 2,610.40 is: 3,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.20 : 10,491.60 = 2,610.40 : x
  2. Step 2: Convert to fraction form
    6,995.20/10,491.60 = 2,610.40/x
  3. Step 3: Cross multiply
    6,995.20x = 10,491.60 × 2,610.40
  4. Step 4: Simplify right side
    6,995.20x = 27,387,272.64
  5. Step 5: Solve for x
    x = 27,387,272.64/6,995.20
  6. Step 6: Final answer
    x = 3,915.15

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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.