Home / 5,621.50-8,432.28-1,725.94

Finding the Fourth Proportional to 5,621.50, 8,432.28 and 1,725.94

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Solution

The fourth proportional to 5,621.50, 8,432.28 and 1,725.94 is: 2,588.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.50 : 8,432.28 = 1,725.94 : x
  2. Step 2: Convert to fraction form
    5,621.50/8,432.28 = 1,725.94/x
  3. Step 3: Cross multiply
    5,621.50x = 8,432.28 × 1,725.94
  4. Step 4: Simplify right side
    5,621.50x = 14,553,609.34
  5. Step 5: Solve for x
    x = 14,553,609.34/5,621.50
  6. Step 6: Final answer
    x = 2,588.92

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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.