Home / 8,689.82-13,036.75-2,846.07

Finding the Fourth Proportional to 8,689.82, 13,036.75 and 2,846.07

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Solution

The fourth proportional to 8,689.82, 13,036.75 and 2,846.07 is: 4,269.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689.82 : 13,036.75 = 2,846.07 : x
  2. Step 2: Convert to fraction form
    8,689.82/13,036.75 = 2,846.07/x
  3. Step 3: Cross multiply
    8,689.82x = 13,036.75 × 2,846.07
  4. Step 4: Simplify right side
    8,689.82x = 37,103,495.96
  5. Step 5: Solve for x
    x = 37,103,495.96/8,689.82
  6. Step 6: Final answer
    x = 4,269.77

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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.