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Finding the Fourth Proportional to 6,655.13, 9,984.99 and 2,275.67

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Solution

The fourth proportional to 6,655.13, 9,984.99 and 2,275.67 is: 3,414.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.13 : 9,984.99 = 2,275.67 : x
  2. Step 2: Convert to fraction form
    6,655.13/9,984.99 = 2,275.67/x
  3. Step 3: Cross multiply
    6,655.13x = 9,984.99 × 2,275.67
  4. Step 4: Simplify right side
    6,655.13x = 22,722,492.27
  5. Step 5: Solve for x
    x = 22,722,492.27/6,655.13
  6. Step 6: Final answer
    x = 3,414.28

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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.