Home / 4,950.94-7,430.02-3,988.66

Finding the Fourth Proportional to 4,950.94, 7,430.02 and 3,988.66

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Solution

The fourth proportional to 4,950.94, 7,430.02 and 3,988.66 is: 5,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.94 : 7,430.02 = 3,988.66 : x
  2. Step 2: Convert to fraction form
    4,950.94/7,430.02 = 3,988.66/x
  3. Step 3: Cross multiply
    4,950.94x = 7,430.02 × 3,988.66
  4. Step 4: Simplify right side
    4,950.94x = 29,635,823.57
  5. Step 5: Solve for x
    x = 29,635,823.57/4,950.94
  6. Step 6: Final answer
    x = 5,985.90

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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.