Home / 7,727.66-11,587.38-3,565.53

Finding the Fourth Proportional to 7,727.66, 11,587.38 and 3,565.53

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Solution

The fourth proportional to 7,727.66, 11,587.38 and 3,565.53 is: 5,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.66 : 11,587.38 = 3,565.53 : x
  2. Step 2: Convert to fraction form
    7,727.66/11,587.38 = 3,565.53/x
  3. Step 3: Cross multiply
    7,727.66x = 11,587.38 × 3,565.53
  4. Step 4: Simplify right side
    7,727.66x = 41,315,151.01
  5. Step 5: Solve for x
    x = 41,315,151.01/7,727.66
  6. Step 6: Final answer
    x = 5,346.40

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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.