Home / 8,343.65-12,514.26-3,148.31

Finding the Fourth Proportional to 8,343.65, 12,514.26 and 3,148.31

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Solution

The fourth proportional to 8,343.65, 12,514.26 and 3,148.31 is: 4,722.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.65 : 12,514.26 = 3,148.31 : x
  2. Step 2: Convert to fraction form
    8,343.65/12,514.26 = 3,148.31/x
  3. Step 3: Cross multiply
    8,343.65x = 12,514.26 × 3,148.31
  4. Step 4: Simplify right side
    8,343.65x = 39,398,812.99
  5. Step 5: Solve for x
    x = 39,398,812.99/8,343.65
  6. Step 6: Final answer
    x = 4,722.01

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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.