Home / 7,116.45-10,685.60-6,343.71

Finding the Fourth Proportional to 7,116.45, 10,685.60 and 6,343.71

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Solution

The fourth proportional to 7,116.45, 10,685.60 and 6,343.71 is: 9,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.45 : 10,685.60 = 6,343.71 : x
  2. Step 2: Convert to fraction form
    7,116.45/10,685.60 = 6,343.71/x
  3. Step 3: Cross multiply
    7,116.45x = 10,685.60 × 6,343.71
  4. Step 4: Simplify right side
    7,116.45x = 67,786,347.58
  5. Step 5: Solve for x
    x = 67,786,347.58/7,116.45
  6. Step 6: Final answer
    x = 9,525.30

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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.