Home / 5,318.08-7,340.56-3,080.50

Finding the Fourth Proportional to 5,318.08, 7,340.56 and 3,080.50

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Solution

The fourth proportional to 5,318.08, 7,340.56 and 3,080.50 is: 4,252.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.08 : 7,340.56 = 3,080.50 : x
  2. Step 2: Convert to fraction form
    5,318.08/7,340.56 = 3,080.50/x
  3. Step 3: Cross multiply
    5,318.08x = 7,340.56 × 3,080.50
  4. Step 4: Simplify right side
    5,318.08x = 22,612,569.03
  5. Step 5: Solve for x
    x = 22,612,569.03/5,318.08
  6. Step 6: Final answer
    x = 4,252.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.