Home / 7,178.85-10,763.60-2,498.50

Finding the Fourth Proportional to 7,178.85, 10,763.60 and 2,498.50

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Solution

The fourth proportional to 7,178.85, 10,763.60 and 2,498.50 is: 3,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.85 : 10,763.60 = 2,498.50 : x
  2. Step 2: Convert to fraction form
    7,178.85/10,763.60 = 2,498.50/x
  3. Step 3: Cross multiply
    7,178.85x = 10,763.60 × 2,498.50
  4. Step 4: Simplify right side
    7,178.85x = 26,892,854.60
  5. Step 5: Solve for x
    x = 26,892,854.60/7,178.85
  6. Step 6: Final answer
    x = 3,746.12

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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.