Home / 5,673.92-7,830.18-3,436.20

Finding the Fourth Proportional to 5,673.92, 7,830.18 and 3,436.20

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Solution

The fourth proportional to 5,673.92, 7,830.18 and 3,436.20 is: 4,742.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.92 : 7,830.18 = 3,436.20 : x
  2. Step 2: Convert to fraction form
    5,673.92/7,830.18 = 3,436.20/x
  3. Step 3: Cross multiply
    5,673.92x = 7,830.18 × 3,436.20
  4. Step 4: Simplify right side
    5,673.92x = 26,906,064.52
  5. Step 5: Solve for x
    x = 26,906,064.52/5,673.92
  6. Step 6: Final answer
    x = 4,742.06

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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.