Home / 9,077.99-13,618.70-3,154.65

Finding the Fourth Proportional to 9,077.99, 13,618.70 and 3,154.65

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Solution

The fourth proportional to 9,077.99, 13,618.70 and 3,154.65 is: 4,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,077.99 : 13,618.70 = 3,154.65 : x
  2. Step 2: Convert to fraction form
    9,077.99/13,618.70 = 3,154.65/x
  3. Step 3: Cross multiply
    9,077.99x = 13,618.70 × 3,154.65
  4. Step 4: Simplify right side
    9,077.99x = 42,962,216.18
  5. Step 5: Solve for x
    x = 42,962,216.18/9,077.99
  6. Step 6: Final answer
    x = 4,732.57

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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.