Home / 8,963.36-13,440.08-4,284.54

Finding the Fourth Proportional to 8,963.36, 13,440.08 and 4,284.54

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Solution

The fourth proportional to 8,963.36, 13,440.08 and 4,284.54 is: 6,424.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.36 : 13,440.08 = 4,284.54 : x
  2. Step 2: Convert to fraction form
    8,963.36/13,440.08 = 4,284.54/x
  3. Step 3: Cross multiply
    8,963.36x = 13,440.08 × 4,284.54
  4. Step 4: Simplify right side
    8,963.36x = 57,584,560.36
  5. Step 5: Solve for x
    x = 57,584,560.36/8,963.36
  6. Step 6: Final answer
    x = 6,424.44

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1.5x scale

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.