Home / 10,488.41-15,732.51-4,938.72

Finding the Fourth Proportional to 10,488.41, 15,732.51 and 4,938.72

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Solution

The fourth proportional to 10,488.41, 15,732.51 and 4,938.72 is: 7,408.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488.41 : 15,732.51 = 4,938.72 : x
  2. Step 2: Convert to fraction form
    10,488.41/15,732.51 = 4,938.72/x
  3. Step 3: Cross multiply
    10,488.41x = 15,732.51 × 4,938.72
  4. Step 4: Simplify right side
    10,488.41x = 77,698,461.79
  5. Step 5: Solve for x
    x = 77,698,461.79/10,488.41
  6. Step 6: Final answer
    x = 7,408.03

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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.