Home / 6,851.76-10,287.36-6,538.56

Finding the Fourth Proportional to 6,851.76, 10,287.36 and 6,538.56

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Solution

The fourth proportional to 6,851.76, 10,287.36 and 6,538.56 is: 9,817.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.76 : 10,287.36 = 6,538.56 : x
  2. Step 2: Convert to fraction form
    6,851.76/10,287.36 = 6,538.56/x
  3. Step 3: Cross multiply
    6,851.76x = 10,287.36 × 6,538.56
  4. Step 4: Simplify right side
    6,851.76x = 67,264,520.60
  5. Step 5: Solve for x
    x = 67,264,520.60/6,851.76
  6. Step 6: Final answer
    x = 9,817.12

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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.