Home / 5,458.09-7,532.39-3,100.45

Finding the Fourth Proportional to 5,458.09, 7,532.39 and 3,100.45

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Solution

The fourth proportional to 5,458.09, 7,532.39 and 3,100.45 is: 4,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.09 : 7,532.39 = 3,100.45 : x
  2. Step 2: Convert to fraction form
    5,458.09/7,532.39 = 3,100.45/x
  3. Step 3: Cross multiply
    5,458.09x = 7,532.39 × 3,100.45
  4. Step 4: Simplify right side
    5,458.09x = 23,353,798.58
  5. Step 5: Solve for x
    x = 23,353,798.58/5,458.09
  6. Step 6: Final answer
    x = 4,278.75

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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.