Home / 5,561.40-7,674.51-3,203.07

Finding the Fourth Proportional to 5,561.40, 7,674.51 and 3,203.07

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Solution

The fourth proportional to 5,561.40, 7,674.51 and 3,203.07 is: 4,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.40 : 7,674.51 = 3,203.07 : x
  2. Step 2: Convert to fraction form
    5,561.40/7,674.51 = 3,203.07/x
  3. Step 3: Cross multiply
    5,561.40x = 7,674.51 × 3,203.07
  4. Step 4: Simplify right side
    5,561.40x = 24,581,992.75
  5. Step 5: Solve for x
    x = 24,581,992.75/5,561.40
  6. Step 6: Final answer
    x = 4,420.11

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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.