Home / 8,556.20-11,807.46-5,018.75

Finding the Fourth Proportional to 8,556.20, 11,807.46 and 5,018.75

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Solution

The fourth proportional to 8,556.20, 11,807.46 and 5,018.75 is: 6,925.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.20 : 11,807.46 = 5,018.75 : x
  2. Step 2: Convert to fraction form
    8,556.20/11,807.46 = 5,018.75/x
  3. Step 3: Cross multiply
    8,556.20x = 11,807.46 × 5,018.75
  4. Step 4: Simplify right side
    8,556.20x = 59,258,630.84
  5. Step 5: Solve for x
    x = 59,258,630.84/8,556.20
  6. Step 6: Final answer
    x = 6,925.82

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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.