Home / 7,834.08-11,721.68-5,498.65

Finding the Fourth Proportional to 7,834.08, 11,721.68 and 5,498.65

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Solution

The fourth proportional to 7,834.08, 11,721.68 and 5,498.65 is: 8,227.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.08 : 11,721.68 = 5,498.65 : x
  2. Step 2: Convert to fraction form
    7,834.08/11,721.68 = 5,498.65/x
  3. Step 3: Cross multiply
    7,834.08x = 11,721.68 × 5,498.65
  4. Step 4: Simplify right side
    7,834.08x = 64,453,423.51
  5. Step 5: Solve for x
    x = 64,453,423.51/7,834.08
  6. Step 6: Final answer
    x = 8,227.31

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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.