Home / 9,730.24-13,425.94-5,480.39

Finding the Fourth Proportional to 9,730.24, 13,425.94 and 5,480.39

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Solution

The fourth proportional to 9,730.24, 13,425.94 and 5,480.39 is: 7,561.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,730.24 : 13,425.94 = 5,480.39 : x
  2. Step 2: Convert to fraction form
    9,730.24/13,425.94 = 5,480.39/x
  3. Step 3: Cross multiply
    9,730.24x = 13,425.94 × 5,480.39
  4. Step 4: Simplify right side
    9,730.24x = 73,579,306.49
  5. Step 5: Solve for x
    x = 73,579,306.49/9,730.24
  6. Step 6: Final answer
    x = 7,561.92

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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.