Home / 8,178.52-11,287.14-4,822.36

Finding the Fourth Proportional to 8,178.52, 11,287.14 and 4,822.36

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Solution

The fourth proportional to 8,178.52, 11,287.14 and 4,822.36 is: 6,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.52 : 11,287.14 = 4,822.36 : x
  2. Step 2: Convert to fraction form
    8,178.52/11,287.14 = 4,822.36/x
  3. Step 3: Cross multiply
    8,178.52x = 11,287.14 × 4,822.36
  4. Step 4: Simplify right side
    8,178.52x = 54,430,652.45
  5. Step 5: Solve for x
    x = 54,430,652.45/8,178.52
  6. Step 6: Final answer
    x = 6,655.32

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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.