Home / 8,434.29-12,648.33-2,810.91

Finding the Fourth Proportional to 8,434.29, 12,648.33 and 2,810.91

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Solution

The fourth proportional to 8,434.29, 12,648.33 and 2,810.91 is: 4,215.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.29 : 12,648.33 = 2,810.91 : x
  2. Step 2: Convert to fraction form
    8,434.29/12,648.33 = 2,810.91/x
  3. Step 3: Cross multiply
    8,434.29x = 12,648.33 × 2,810.91
  4. Step 4: Simplify right side
    8,434.29x = 35,553,317.28
  5. Step 5: Solve for x
    x = 35,553,317.28/8,434.29
  6. Step 6: Final answer
    x = 4,215.33

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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.