Home / 7,913.78-10,908.44-6,232.52

Finding the Fourth Proportional to 7,913.78, 10,908.44 and 6,232.52

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Solution

The fourth proportional to 7,913.78, 10,908.44 and 6,232.52 is: 8,590.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.78 : 10,908.44 = 6,232.52 : x
  2. Step 2: Convert to fraction form
    7,913.78/10,908.44 = 6,232.52/x
  3. Step 3: Cross multiply
    7,913.78x = 10,908.44 × 6,232.52
  4. Step 4: Simplify right side
    7,913.78x = 67,987,070.47
  5. Step 5: Solve for x
    x = 67,987,070.47/7,913.78
  6. Step 6: Final answer
    x = 8,590.97

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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.