Home / 5,378.58-8,070.12-3,298.62

Finding the Fourth Proportional to 5,378.58, 8,070.12 and 3,298.62

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Solution

The fourth proportional to 5,378.58, 8,070.12 and 3,298.62 is: 4,949.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.58 : 8,070.12 = 3,298.62 : x
  2. Step 2: Convert to fraction form
    5,378.58/8,070.12 = 3,298.62/x
  3. Step 3: Cross multiply
    5,378.58x = 8,070.12 × 3,298.62
  4. Step 4: Simplify right side
    5,378.58x = 26,620,259.23
  5. Step 5: Solve for x
    x = 26,620,259.23/5,378.58
  6. Step 6: Final answer
    x = 4,949.31

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Double scale
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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.