Home / 5,275.52-7,913.32-2,939.08

Finding the Fourth Proportional to 5,275.52, 7,913.32 and 2,939.08

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Solution

The fourth proportional to 5,275.52, 7,913.32 and 2,939.08 is: 4,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.52 : 7,913.32 = 2,939.08 : x
  2. Step 2: Convert to fraction form
    5,275.52/7,913.32 = 2,939.08/x
  3. Step 3: Cross multiply
    5,275.52x = 7,913.32 × 2,939.08
  4. Step 4: Simplify right side
    5,275.52x = 23,257,880.55
  5. Step 5: Solve for x
    x = 23,257,880.55/5,275.52
  6. Step 6: Final answer
    x = 4,408.64

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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.