Home / 9,065.78-13,596.18-2,490.40

Finding the Fourth Proportional to 9,065.78, 13,596.18 and 2,490.40

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Solution

The fourth proportional to 9,065.78, 13,596.18 and 2,490.40 is: 3,734.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.78 : 13,596.18 = 2,490.40 : x
  2. Step 2: Convert to fraction form
    9,065.78/13,596.18 = 2,490.40/x
  3. Step 3: Cross multiply
    9,065.78x = 13,596.18 × 2,490.40
  4. Step 4: Simplify right side
    9,065.78x = 33,859,926.67
  5. Step 5: Solve for x
    x = 33,859,926.67/9,065.78
  6. Step 6: Final answer
    x = 3,734.92

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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.