Home / 10,289.79-15,434.57-2,498.60

Finding the Fourth Proportional to 10,289.79, 15,434.57 and 2,498.60

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Solution

The fourth proportional to 10,289.79, 15,434.57 and 2,498.60 is: 3,747.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.79 : 15,434.57 = 2,498.60 : x
  2. Step 2: Convert to fraction form
    10,289.79/15,434.57 = 2,498.60/x
  3. Step 3: Cross multiply
    10,289.79x = 15,434.57 × 2,498.60
  4. Step 4: Simplify right side
    10,289.79x = 38,564,804.11
  5. Step 5: Solve for x
    x = 38,564,804.11/10,289.79
  6. Step 6: Final answer
    x = 3,747.87

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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.