Home / 9,148.19-13,717.13-2,907.05

Finding the Fourth Proportional to 9,148.19, 13,717.13 and 2,907.05

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Solution

The fourth proportional to 9,148.19, 13,717.13 and 2,907.05 is: 4,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.19 : 13,717.13 = 2,907.05 : x
  2. Step 2: Convert to fraction form
    9,148.19/13,717.13 = 2,907.05/x
  3. Step 3: Cross multiply
    9,148.19x = 13,717.13 × 2,907.05
  4. Step 4: Simplify right side
    9,148.19x = 39,876,299.65
  5. Step 5: Solve for x
    x = 39,876,299.65/9,148.19
  6. Step 6: Final answer
    x = 4,358.93

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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.