Home / 7,764.85-11,647.95-2,500.39

Finding the Fourth Proportional to 7,764.85, 11,647.95 and 2,500.39

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Solution

The fourth proportional to 7,764.85, 11,647.95 and 2,500.39 is: 3,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.85 : 11,647.95 = 2,500.39 : x
  2. Step 2: Convert to fraction form
    7,764.85/11,647.95 = 2,500.39/x
  3. Step 3: Cross multiply
    7,764.85x = 11,647.95 × 2,500.39
  4. Step 4: Simplify right side
    7,764.85x = 29,124,417.70
  5. Step 5: Solve for x
    x = 29,124,417.70/7,764.85
  6. Step 6: Final answer
    x = 3,750.80

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1.5x scale

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.