Home / 5,421.23-7,480.73-3,062.92

Finding the Fourth Proportional to 5,421.23, 7,480.73 and 3,062.92

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Solution

The fourth proportional to 5,421.23, 7,480.73 and 3,062.92 is: 4,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.23 : 7,480.73 = 3,062.92 : x
  2. Step 2: Convert to fraction form
    5,421.23/7,480.73 = 3,062.92/x
  3. Step 3: Cross multiply
    5,421.23x = 7,480.73 × 3,062.92
  4. Step 4: Simplify right side
    5,421.23x = 22,912,824.81
  5. Step 5: Solve for x
    x = 22,912,824.81/5,421.23
  6. Step 6: Final answer
    x = 4,226.50

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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.