Home / 4,639.47-6,959.17-1,521.64

Finding the Fourth Proportional to 4,639.47, 6,959.17 and 1,521.64

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Solution

The fourth proportional to 4,639.47, 6,959.17 and 1,521.64 is: 2,282.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.47 : 6,959.17 = 1,521.64 : x
  2. Step 2: Convert to fraction form
    4,639.47/6,959.17 = 1,521.64/x
  3. Step 3: Cross multiply
    4,639.47x = 6,959.17 × 1,521.64
  4. Step 4: Simplify right side
    4,639.47x = 10,589,351.44
  5. Step 5: Solve for x
    x = 10,589,351.44/4,639.47
  6. Step 6: Final answer
    x = 2,282.45

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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.