Home / 5,636.28-8,445.13-1,936.47

Finding the Fourth Proportional to 5,636.28, 8,445.13 and 1,936.47

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Solution

The fourth proportional to 5,636.28, 8,445.13 and 1,936.47 is: 2,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.28 : 8,445.13 = 1,936.47 : x
  2. Step 2: Convert to fraction form
    5,636.28/8,445.13 = 1,936.47/x
  3. Step 3: Cross multiply
    5,636.28x = 8,445.13 × 1,936.47
  4. Step 4: Simplify right side
    5,636.28x = 16,353,767.72
  5. Step 5: Solve for x
    x = 16,353,767.72/5,636.28
  6. Step 6: Final answer
    x = 2,901.52

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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.