Home / 6,318.34-8,715.60-3,960.02

Finding the Fourth Proportional to 6,318.34, 8,715.60 and 3,960.02

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Solution

The fourth proportional to 6,318.34, 8,715.60 and 3,960.02 is: 5,462.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.34 : 8,715.60 = 3,960.02 : x
  2. Step 2: Convert to fraction form
    6,318.34/8,715.60 = 3,960.02/x
  3. Step 3: Cross multiply
    6,318.34x = 8,715.60 × 3,960.02
  4. Step 4: Simplify right side
    6,318.34x = 34,513,972.10
  5. Step 5: Solve for x
    x = 34,513,972.10/6,318.34
  6. Step 6: Final answer
    x = 5,462.51

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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.