Home / 5,283.37-7,925.10-1,387.75

Finding the Fourth Proportional to 5,283.37, 7,925.10 and 1,387.75

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Solution

The fourth proportional to 5,283.37, 7,925.10 and 1,387.75 is: 2,081.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.37 : 7,925.10 = 1,387.75 : x
  2. Step 2: Convert to fraction form
    5,283.37/7,925.10 = 1,387.75/x
  3. Step 3: Cross multiply
    5,283.37x = 7,925.10 × 1,387.75
  4. Step 4: Simplify right side
    5,283.37x = 10,998,057.53
  5. Step 5: Solve for x
    x = 10,998,057.53/5,283.37
  6. Step 6: Final answer
    x = 2,081.64

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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.