Home / 7,731.22-11,577.21-6,478.52

Finding the Fourth Proportional to 7,731.22, 11,577.21 and 6,478.52

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Solution

The fourth proportional to 7,731.22, 11,577.21 and 6,478.52 is: 9,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.22 : 11,577.21 = 6,478.52 : x
  2. Step 2: Convert to fraction form
    7,731.22/11,577.21 = 6,478.52/x
  3. Step 3: Cross multiply
    7,731.22x = 11,577.21 × 6,478.52
  4. Step 4: Simplify right side
    7,731.22x = 75,003,211.14
  5. Step 5: Solve for x
    x = 75,003,211.14/7,731.22
  6. Step 6: Final answer
    x = 9,701.34

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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.