Home / 5,077.58-7,006.56-2,981.30

Finding the Fourth Proportional to 5,077.58, 7,006.56 and 2,981.30

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Solution

The fourth proportional to 5,077.58, 7,006.56 and 2,981.30 is: 4,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.58 : 7,006.56 = 2,981.30 : x
  2. Step 2: Convert to fraction form
    5,077.58/7,006.56 = 2,981.30/x
  3. Step 3: Cross multiply
    5,077.58x = 7,006.56 × 2,981.30
  4. Step 4: Simplify right side
    5,077.58x = 20,888,657.33
  5. Step 5: Solve for x
    x = 20,888,657.33/5,077.58
  6. Step 6: Final answer
    x = 4,113.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.