Home / 7,947.21-11,916.18-2,398.89

Finding the Fourth Proportional to 7,947.21, 11,916.18 and 2,398.89

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Solution

The fourth proportional to 7,947.21, 11,916.18 and 2,398.89 is: 3,596.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.21 : 11,916.18 = 2,398.89 : x
  2. Step 2: Convert to fraction form
    7,947.21/11,916.18 = 2,398.89/x
  3. Step 3: Cross multiply
    7,947.21x = 11,916.18 × 2,398.89
  4. Step 4: Simplify right side
    7,947.21x = 28,585,605.04
  5. Step 5: Solve for x
    x = 28,585,605.04/7,947.21
  6. Step 6: Final answer
    x = 3,596.94

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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.