Home / 5,631.93-7,769.66-3,642.71

Finding the Fourth Proportional to 5,631.93, 7,769.66 and 3,642.71

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Solution

The fourth proportional to 5,631.93, 7,769.66 and 3,642.71 is: 5,025.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.93 : 7,769.66 = 3,642.71 : x
  2. Step 2: Convert to fraction form
    5,631.93/7,769.66 = 3,642.71/x
  3. Step 3: Cross multiply
    5,631.93x = 7,769.66 × 3,642.71
  4. Step 4: Simplify right side
    5,631.93x = 28,302,561.12
  5. Step 5: Solve for x
    x = 28,302,561.12/5,631.93
  6. Step 6: Final answer
    x = 5,025.38

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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.