Home / 4,689.04-7,044.50-2,742.62

Finding the Fourth Proportional to 4,689.04, 7,044.50 and 2,742.62

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Solution

The fourth proportional to 4,689.04, 7,044.50 and 2,742.62 is: 4,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.04 : 7,044.50 = 2,742.62 : x
  2. Step 2: Convert to fraction form
    4,689.04/7,044.50 = 2,742.62/x
  3. Step 3: Cross multiply
    4,689.04x = 7,044.50 × 2,742.62
  4. Step 4: Simplify right side
    4,689.04x = 19,320,386.59
  5. Step 5: Solve for x
    x = 19,320,386.59/4,689.04
  6. Step 6: Final answer
    x = 4,120.33

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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.