Home / 5,627.63-8,434.70-2,621.61

Finding the Fourth Proportional to 5,627.63, 8,434.70 and 2,621.61

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Solution

The fourth proportional to 5,627.63, 8,434.70 and 2,621.61 is: 3,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.63 : 8,434.70 = 2,621.61 : x
  2. Step 2: Convert to fraction form
    5,627.63/8,434.70 = 2,621.61/x
  3. Step 3: Cross multiply
    5,627.63x = 8,434.70 × 2,621.61
  4. Step 4: Simplify right side
    5,627.63x = 22,112,480.76
  5. Step 5: Solve for x
    x = 22,112,480.76/5,627.63
  6. Step 6: Final answer
    x = 3,929.27

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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.