Home / 4,989.30-7,485.47-2,358.82

Finding the Fourth Proportional to 4,989.30, 7,485.47 and 2,358.82

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Solution

The fourth proportional to 4,989.30, 7,485.47 and 2,358.82 is: 3,538.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.30 : 7,485.47 = 2,358.82 : x
  2. Step 2: Convert to fraction form
    4,989.30/7,485.47 = 2,358.82/x
  3. Step 3: Cross multiply
    4,989.30x = 7,485.47 × 2,358.82
  4. Step 4: Simplify right side
    4,989.30x = 17,656,876.35
  5. Step 5: Solve for x
    x = 17,656,876.35/4,989.30
  6. Step 6: Final answer
    x = 3,538.95

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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.