Home / 5,289.76-7,930.32-2,000.98

Finding the Fourth Proportional to 5,289.76, 7,930.32 and 2,000.98

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Solution

The fourth proportional to 5,289.76, 7,930.32 and 2,000.98 is: 2,999.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.76 : 7,930.32 = 2,000.98 : x
  2. Step 2: Convert to fraction form
    5,289.76/7,930.32 = 2,000.98/x
  3. Step 3: Cross multiply
    5,289.76x = 7,930.32 × 2,000.98
  4. Step 4: Simplify right side
    5,289.76x = 15,868,411.71
  5. Step 5: Solve for x
    x = 15,868,411.71/5,289.76
  6. Step 6: Final answer
    x = 2,999.84

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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.