Home / 8,288.45-11,442.30-6,395.79

Finding the Fourth Proportional to 8,288.45, 11,442.30 and 6,395.79

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Solution

The fourth proportional to 8,288.45, 11,442.30 and 6,395.79 is: 8,829.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.45 : 11,442.30 = 6,395.79 : x
  2. Step 2: Convert to fraction form
    8,288.45/11,442.30 = 6,395.79/x
  3. Step 3: Cross multiply
    8,288.45x = 11,442.30 × 6,395.79
  4. Step 4: Simplify right side
    8,288.45x = 73,182,547.92
  5. Step 5: Solve for x
    x = 73,182,547.92/8,288.45
  6. Step 6: Final answer
    x = 8,829.47

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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.