Home / 9,124.80-13,685.85-2,551.65

Finding the Fourth Proportional to 9,124.80, 13,685.85 and 2,551.65

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Solution

The fourth proportional to 9,124.80, 13,685.85 and 2,551.65 is: 3,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.80 : 13,685.85 = 2,551.65 : x
  2. Step 2: Convert to fraction form
    9,124.80/13,685.85 = 2,551.65/x
  3. Step 3: Cross multiply
    9,124.80x = 13,685.85 × 2,551.65
  4. Step 4: Simplify right side
    9,124.80x = 34,921,499.15
  5. Step 5: Solve for x
    x = 34,921,499.15/9,124.80
  6. Step 6: Final answer
    x = 3,827.10

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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.