Home / 9,310.27-13,969.95-4,380.40

Finding the Fourth Proportional to 9,310.27, 13,969.95 and 4,380.40

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Solution

The fourth proportional to 9,310.27, 13,969.95 and 4,380.40 is: 6,572.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.27 : 13,969.95 = 4,380.40 : x
  2. Step 2: Convert to fraction form
    9,310.27/13,969.95 = 4,380.40/x
  3. Step 3: Cross multiply
    9,310.27x = 13,969.95 × 4,380.40
  4. Step 4: Simplify right side
    9,310.27x = 61,193,899.13
  5. Step 5: Solve for x
    x = 61,193,899.13/9,310.27
  6. Step 6: Final answer
    x = 6,572.73

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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.