Home / 7,913.38-10,901.88-5,518.98

Finding the Fourth Proportional to 7,913.38, 10,901.88 and 5,518.98

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Solution

The fourth proportional to 7,913.38, 10,901.88 and 5,518.98 is: 7,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.38 : 10,901.88 = 5,518.98 : x
  2. Step 2: Convert to fraction form
    7,913.38/10,901.88 = 5,518.98/x
  3. Step 3: Cross multiply
    7,913.38x = 10,901.88 × 5,518.98
  4. Step 4: Simplify right side
    7,913.38x = 60,167,257.68
  5. Step 5: Solve for x
    x = 60,167,257.68/7,913.38
  6. Step 6: Final answer
    x = 7,603.23

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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.