Home / 5,317.32-7,338.81-3,080.57

Finding the Fourth Proportional to 5,317.32, 7,338.81 and 3,080.57

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Solution

The fourth proportional to 5,317.32, 7,338.81 and 3,080.57 is: 4,251.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.32 : 7,338.81 = 3,080.57 : x
  2. Step 2: Convert to fraction form
    5,317.32/7,338.81 = 3,080.57/x
  3. Step 3: Cross multiply
    5,317.32x = 7,338.81 × 3,080.57
  4. Step 4: Simplify right side
    5,317.32x = 22,607,681.23
  5. Step 5: Solve for x
    x = 22,607,681.23/5,317.32
  6. Step 6: Final answer
    x = 4,251.71

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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.