Home / 7,561.11-11,319.80-4,925.78

Finding the Fourth Proportional to 7,561.11, 11,319.80 and 4,925.78

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Solution

The fourth proportional to 7,561.11, 11,319.80 and 4,925.78 is: 7,374.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.11 : 11,319.80 = 4,925.78 : x
  2. Step 2: Convert to fraction form
    7,561.11/11,319.80 = 4,925.78/x
  3. Step 3: Cross multiply
    7,561.11x = 11,319.80 × 4,925.78
  4. Step 4: Simplify right side
    7,561.11x = 55,758,763.22
  5. Step 5: Solve for x
    x = 55,758,763.22/7,561.11
  6. Step 6: Final answer
    x = 7,374.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.