Home / 7,757.86-11,626.29-5,561.74

Finding the Fourth Proportional to 7,757.86, 11,626.29 and 5,561.74

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Solution

The fourth proportional to 7,757.86, 11,626.29 and 5,561.74 is: 8,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757.86 : 11,626.29 = 5,561.74 : x
  2. Step 2: Convert to fraction form
    7,757.86/11,626.29 = 5,561.74/x
  3. Step 3: Cross multiply
    7,757.86x = 11,626.29 × 5,561.74
  4. Step 4: Simplify right side
    7,757.86x = 64,662,344.01
  5. Step 5: Solve for x
    x = 64,662,344.01/7,757.86
  6. Step 6: Final answer
    x = 8,335.08

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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.