Home / 7,750.89-11,626.38-1,907.46

Finding the Fourth Proportional to 7,750.89, 11,626.38 and 1,907.46

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Solution

The fourth proportional to 7,750.89, 11,626.38 and 1,907.46 is: 2,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.89 : 11,626.38 = 1,907.46 : x
  2. Step 2: Convert to fraction form
    7,750.89/11,626.38 = 1,907.46/x
  3. Step 3: Cross multiply
    7,750.89x = 11,626.38 × 1,907.46
  4. Step 4: Simplify right side
    7,750.89x = 22,176,854.79
  5. Step 5: Solve for x
    x = 22,176,854.79/7,750.89
  6. Step 6: Final answer
    x = 2,861.20

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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.