Home / 7,734.20-10,675.50-6,161.72

Finding the Fourth Proportional to 7,734.20, 10,675.50 and 6,161.72

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Solution

The fourth proportional to 7,734.20, 10,675.50 and 6,161.72 is: 8,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,734.20 : 10,675.50 = 6,161.72 : x
  2. Step 2: Convert to fraction form
    7,734.20/10,675.50 = 6,161.72/x
  3. Step 3: Cross multiply
    7,734.20x = 10,675.50 × 6,161.72
  4. Step 4: Simplify right side
    7,734.20x = 65,779,441.86
  5. Step 5: Solve for x
    x = 65,779,441.86/7,734.20
  6. Step 6: Final answer
    x = 8,505.01

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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.