Home / 7,161.75-10,714.67-6,330.69

Finding the Fourth Proportional to 7,161.75, 10,714.67 and 6,330.69

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Solution

The fourth proportional to 7,161.75, 10,714.67 and 6,330.69 is: 9,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.75 : 10,714.67 = 6,330.69 : x
  2. Step 2: Convert to fraction form
    7,161.75/10,714.67 = 6,330.69/x
  3. Step 3: Cross multiply
    7,161.75x = 10,714.67 × 6,330.69
  4. Step 4: Simplify right side
    7,161.75x = 67,831,254.22
  5. Step 5: Solve for x
    x = 67,831,254.22/7,161.75
  6. Step 6: Final answer
    x = 9,471.32

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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.