Home / 8,411.24-12,616.89-3,788.84

Finding the Fourth Proportional to 8,411.24, 12,616.89 and 3,788.84

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Solution

The fourth proportional to 8,411.24, 12,616.89 and 3,788.84 is: 5,683.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.24 : 12,616.89 = 3,788.84 : x
  2. Step 2: Convert to fraction form
    8,411.24/12,616.89 = 3,788.84/x
  3. Step 3: Cross multiply
    8,411.24x = 12,616.89 × 3,788.84
  4. Step 4: Simplify right side
    8,411.24x = 47,803,377.51
  5. Step 5: Solve for x
    x = 47,803,377.51/8,411.24
  6. Step 6: Final answer
    x = 5,683.27

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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.