Home / 5,575.27-7,693.89-3,057.40

Finding the Fourth Proportional to 5,575.27, 7,693.89 and 3,057.40

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Solution

The fourth proportional to 5,575.27, 7,693.89 and 3,057.40 is: 4,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.27 : 7,693.89 = 3,057.40 : x
  2. Step 2: Convert to fraction form
    5,575.27/7,693.89 = 3,057.40/x
  3. Step 3: Cross multiply
    5,575.27x = 7,693.89 × 3,057.40
  4. Step 4: Simplify right side
    5,575.27x = 23,523,289.16
  5. Step 5: Solve for x
    x = 23,523,289.16/5,575.27
  6. Step 6: Final answer
    x = 4,219.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.