Home / 4,814.31-6,642.93-2,689.76

Finding the Fourth Proportional to 4,814.31, 6,642.93 and 2,689.76

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Solution

The fourth proportional to 4,814.31, 6,642.93 and 2,689.76 is: 3,711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.31 : 6,642.93 = 2,689.76 : x
  2. Step 2: Convert to fraction form
    4,814.31/6,642.93 = 2,689.76/x
  3. Step 3: Cross multiply
    4,814.31x = 6,642.93 × 2,689.76
  4. Step 4: Simplify right side
    4,814.31x = 17,867,872.94
  5. Step 5: Solve for x
    x = 17,867,872.94/4,814.31
  6. Step 6: Final answer
    x = 3,711.41

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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.