Home / 4,639.24-6,959.58-1,561

Finding the Fourth Proportional to 4,639.24, 6,959.58 and 1,561

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Solution

The fourth proportional to 4,639.24, 6,959.58 and 1,561 is: 2,341.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.24 : 6,959.58 = 1,561 : x
  2. Step 2: Convert to fraction form
    4,639.24/6,959.58 = 1,561/x
  3. Step 3: Cross multiply
    4,639.24x = 6,959.58 × 1,561
  4. Step 4: Simplify right side
    4,639.24x = 10,863,904.38
  5. Step 5: Solve for x
    x = 10,863,904.38/4,639.24
  6. Step 6: Final answer
    x = 2,341.74

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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.