Home / 6,411.90-9,612.05-2,515.26

Finding the Fourth Proportional to 6,411.90, 9,612.05 and 2,515.26

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Solution

The fourth proportional to 6,411.90, 9,612.05 and 2,515.26 is: 3,770.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,411.90 : 9,612.05 = 2,515.26 : x
  2. Step 2: Convert to fraction form
    6,411.90/9,612.05 = 2,515.26/x
  3. Step 3: Cross multiply
    6,411.90x = 9,612.05 × 2,515.26
  4. Step 4: Simplify right side
    6,411.90x = 24,176,792.31
  5. Step 5: Solve for x
    x = 24,176,792.31/6,411.90
  6. Step 6: Final answer
    x = 3,770.61

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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.