Home / 8,670.11-13,004.55-4,960.71

Finding the Fourth Proportional to 8,670.11, 13,004.55 and 4,960.71

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Solution

The fourth proportional to 8,670.11, 13,004.55 and 4,960.71 is: 7,440.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.11 : 13,004.55 = 4,960.71 : x
  2. Step 2: Convert to fraction form
    8,670.11/13,004.55 = 4,960.71/x
  3. Step 3: Cross multiply
    8,670.11x = 13,004.55 × 4,960.71
  4. Step 4: Simplify right side
    8,670.11x = 64,511,801.23
  5. Step 5: Solve for x
    x = 64,511,801.23/8,670.11
  6. Step 6: Final answer
    x = 7,440.72

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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.