Home / 6,343.79-8,756.59-3,693.43

Finding the Fourth Proportional to 6,343.79, 8,756.59 and 3,693.43

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Solution

The fourth proportional to 6,343.79, 8,756.59 and 3,693.43 is: 5,098.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.79 : 8,756.59 = 3,693.43 : x
  2. Step 2: Convert to fraction form
    6,343.79/8,756.59 = 3,693.43/x
  3. Step 3: Cross multiply
    6,343.79x = 8,756.59 × 3,693.43
  4. Step 4: Simplify right side
    6,343.79x = 32,341,852.20
  5. Step 5: Solve for x
    x = 32,341,852.20/6,343.79
  6. Step 6: Final answer
    x = 5,098.19

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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.