Home / 5,628.90-8,437.68-2,705.61

Finding the Fourth Proportional to 5,628.90, 8,437.68 and 2,705.61

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Solution

The fourth proportional to 5,628.90, 8,437.68 and 2,705.61 is: 4,055.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.90 : 8,437.68 = 2,705.61 : x
  2. Step 2: Convert to fraction form
    5,628.90/8,437.68 = 2,705.61/x
  3. Step 3: Cross multiply
    5,628.90x = 8,437.68 × 2,705.61
  4. Step 4: Simplify right side
    5,628.90x = 22,829,057.86
  5. Step 5: Solve for x
    x = 22,829,057.86/5,628.90
  6. Step 6: Final answer
    x = 4,055.69

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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.