Home / 9,320.60-12,864.27-5,344.40

Finding the Fourth Proportional to 9,320.60, 12,864.27 and 5,344.40

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Solution

The fourth proportional to 9,320.60, 12,864.27 and 5,344.40 is: 7,376.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.60 : 12,864.27 = 5,344.40 : x
  2. Step 2: Convert to fraction form
    9,320.60/12,864.27 = 5,344.40/x
  3. Step 3: Cross multiply
    9,320.60x = 12,864.27 × 5,344.40
  4. Step 4: Simplify right side
    9,320.60x = 68,751,804.59
  5. Step 5: Solve for x
    x = 68,751,804.59/9,320.60
  6. Step 6: Final answer
    x = 7,376.33

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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.