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Finding the Fourth Proportional to 5,655.93, 8,471.53 and 2,728.08

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Solution

The fourth proportional to 5,655.93, 8,471.53 and 2,728.08 is: 4,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.93 : 8,471.53 = 2,728.08 : x
  2. Step 2: Convert to fraction form
    5,655.93/8,471.53 = 2,728.08/x
  3. Step 3: Cross multiply
    5,655.93x = 8,471.53 × 2,728.08
  4. Step 4: Simplify right side
    5,655.93x = 23,111,011.56
  5. Step 5: Solve for x
    x = 23,111,011.56/5,655.93
  6. Step 6: Final answer
    x = 4,086.16

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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.