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Finding the Fourth Proportional to 6,607.55, 9,903.76 and 2,707.13

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Solution

The fourth proportional to 6,607.55, 9,903.76 and 2,707.13 is: 4,057.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.55 : 9,903.76 = 2,707.13 : x
  2. Step 2: Convert to fraction form
    6,607.55/9,903.76 = 2,707.13/x
  3. Step 3: Cross multiply
    6,607.55x = 9,903.76 × 2,707.13
  4. Step 4: Simplify right side
    6,607.55x = 26,810,709.52
  5. Step 5: Solve for x
    x = 26,810,709.52/6,607.55
  6. Step 6: Final answer
    x = 4,057.59

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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.