Home / 5,655.91-7,805.07-3,103.71

Finding the Fourth Proportional to 5,655.91, 7,805.07 and 3,103.71

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Solution

The fourth proportional to 5,655.91, 7,805.07 and 3,103.71 is: 4,283.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.91 : 7,805.07 = 3,103.71 : x
  2. Step 2: Convert to fraction form
    5,655.91/7,805.07 = 3,103.71/x
  3. Step 3: Cross multiply
    5,655.91x = 7,805.07 × 3,103.71
  4. Step 4: Simplify right side
    5,655.91x = 24,224,673.81
  5. Step 5: Solve for x
    x = 24,224,673.81/5,655.91
  6. Step 6: Final answer
    x = 4,283.07

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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.