Home / 5,621.16-8,432.94-1,725.42

Finding the Fourth Proportional to 5,621.16, 8,432.94 and 1,725.42

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Solution

The fourth proportional to 5,621.16, 8,432.94 and 1,725.42 is: 2,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.16 : 8,432.94 = 1,725.42 : x
  2. Step 2: Convert to fraction form
    5,621.16/8,432.94 = 1,725.42/x
  3. Step 3: Cross multiply
    5,621.16x = 8,432.94 × 1,725.42
  4. Step 4: Simplify right side
    5,621.16x = 14,550,363.33
  5. Step 5: Solve for x
    x = 14,550,363.33/5,621.16
  6. Step 6: Final answer
    x = 2,588.50

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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.