Home / 4,689.24-7,036.80-1,767.28

Finding the Fourth Proportional to 4,689.24, 7,036.80 and 1,767.28

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Solution

The fourth proportional to 4,689.24, 7,036.80 and 1,767.28 is: 2,652.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.24 : 7,036.80 = 1,767.28 : x
  2. Step 2: Convert to fraction form
    4,689.24/7,036.80 = 1,767.28/x
  3. Step 3: Cross multiply
    4,689.24x = 7,036.80 × 1,767.28
  4. Step 4: Simplify right side
    4,689.24x = 12,435,995.90
  5. Step 5: Solve for x
    x = 12,435,995.90/4,689.24
  6. Step 6: Final answer
    x = 2,652.03

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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.