Home / 8,825.36-12,178.10-5,288.48

Finding the Fourth Proportional to 8,825.36, 12,178.10 and 5,288.48

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Solution

The fourth proportional to 8,825.36, 12,178.10 and 5,288.48 is: 7,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.36 : 12,178.10 = 5,288.48 : x
  2. Step 2: Convert to fraction form
    8,825.36/12,178.10 = 5,288.48/x
  3. Step 3: Cross multiply
    8,825.36x = 12,178.10 × 5,288.48
  4. Step 4: Simplify right side
    8,825.36x = 64,403,638.29
  5. Step 5: Solve for x
    x = 64,403,638.29/8,825.36
  6. Step 6: Final answer
    x = 7,297.57

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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.