Home / 6,807.18-10,216.35-3,521.28

Finding the Fourth Proportional to 6,807.18, 10,216.35 and 3,521.28

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Solution

The fourth proportional to 6,807.18, 10,216.35 and 3,521.28 is: 5,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.18 : 10,216.35 = 3,521.28 : x
  2. Step 2: Convert to fraction form
    6,807.18/10,216.35 = 3,521.28/x
  3. Step 3: Cross multiply
    6,807.18x = 10,216.35 × 3,521.28
  4. Step 4: Simplify right side
    6,807.18x = 35,974,628.93
  5. Step 5: Solve for x
    x = 35,974,628.93/6,807.18
  6. Step 6: Final answer
    x = 5,284.81

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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.