Home / 5,318.19-7,339.59-3,080.25

Finding the Fourth Proportional to 5,318.19, 7,339.59 and 3,080.25

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Solution

The fourth proportional to 5,318.19, 7,339.59 and 3,080.25 is: 4,251.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.19 : 7,339.59 = 3,080.25 : x
  2. Step 2: Convert to fraction form
    5,318.19/7,339.59 = 3,080.25/x
  3. Step 3: Cross multiply
    5,318.19x = 7,339.59 × 3,080.25
  4. Step 4: Simplify right side
    5,318.19x = 22,607,772.10
  5. Step 5: Solve for x
    x = 22,607,772.10/5,318.19
  6. Step 6: Final answer
    x = 4,251.03

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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.