Home / 8,689.68-13,036.41-2,846.07

Finding the Fourth Proportional to 8,689.68, 13,036.41 and 2,846.07

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Solution

The fourth proportional to 8,689.68, 13,036.41 and 2,846.07 is: 4,269.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689.68 : 13,036.41 = 2,846.07 : x
  2. Step 2: Convert to fraction form
    8,689.68/13,036.41 = 2,846.07/x
  3. Step 3: Cross multiply
    8,689.68x = 13,036.41 × 2,846.07
  4. Step 4: Simplify right side
    8,689.68x = 37,102,535.41
  5. Step 5: Solve for x
    x = 37,102,535.41/8,689.68
  6. Step 6: Final answer
    x = 4,269.72

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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.