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Finding the Fourth Proportional to 5,657.52, 8,486.10 and 1,959.40

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Solution

The fourth proportional to 5,657.52, 8,486.10 and 1,959.40 is: 2,939.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.52 : 8,486.10 = 1,959.40 : x
  2. Step 2: Convert to fraction form
    5,657.52/8,486.10 = 1,959.40/x
  3. Step 3: Cross multiply
    5,657.52x = 8,486.10 × 1,959.40
  4. Step 4: Simplify right side
    5,657.52x = 16,627,664.34
  5. Step 5: Solve for x
    x = 16,627,664.34/5,657.52
  6. Step 6: Final answer
    x = 2,939.04

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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.