Home / 7,674.19-11,508.75-2,478.85

Finding the Fourth Proportional to 7,674.19, 11,508.75 and 2,478.85

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Solution

The fourth proportional to 7,674.19, 11,508.75 and 2,478.85 is: 3,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.19 : 11,508.75 = 2,478.85 : x
  2. Step 2: Convert to fraction form
    7,674.19/11,508.75 = 2,478.85/x
  3. Step 3: Cross multiply
    7,674.19x = 11,508.75 × 2,478.85
  4. Step 4: Simplify right side
    7,674.19x = 28,528,436.17
  5. Step 5: Solve for x
    x = 28,528,436.17/7,674.19
  6. Step 6: Final answer
    x = 3,717.45

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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.