Home / 6,399.34-9,599.02-4,217.81

Finding the Fourth Proportional to 6,399.34, 9,599.02 and 4,217.81

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Solution

The fourth proportional to 6,399.34, 9,599.02 and 4,217.81 is: 6,326.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.34 : 9,599.02 = 4,217.81 : x
  2. Step 2: Convert to fraction form
    6,399.34/9,599.02 = 4,217.81/x
  3. Step 3: Cross multiply
    6,399.34x = 9,599.02 × 4,217.81
  4. Step 4: Simplify right side
    6,399.34x = 40,486,821.46
  5. Step 5: Solve for x
    x = 40,486,821.46/6,399.34
  6. Step 6: Final answer
    x = 6,326.72

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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.