Home / 5,534.32-8,298.60-1,638.20

Finding the Fourth Proportional to 5,534.32, 8,298.60 and 1,638.20

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Solution

The fourth proportional to 5,534.32, 8,298.60 and 1,638.20 is: 2,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.32 : 8,298.60 = 1,638.20 : x
  2. Step 2: Convert to fraction form
    5,534.32/8,298.60 = 1,638.20/x
  3. Step 3: Cross multiply
    5,534.32x = 8,298.60 × 1,638.20
  4. Step 4: Simplify right side
    5,534.32x = 13,594,766.52
  5. Step 5: Solve for x
    x = 13,594,766.52/5,534.32
  6. Step 6: Final answer
    x = 2,456.45

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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.