Home / 7,001.80-10,504.50-2,619.28

Finding the Fourth Proportional to 7,001.80, 10,504.50 and 2,619.28

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Solution

The fourth proportional to 7,001.80, 10,504.50 and 2,619.28 is: 3,929.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.80 : 10,504.50 = 2,619.28 : x
  2. Step 2: Convert to fraction form
    7,001.80/10,504.50 = 2,619.28/x
  3. Step 3: Cross multiply
    7,001.80x = 10,504.50 × 2,619.28
  4. Step 4: Simplify right side
    7,001.80x = 27,514,226.76
  5. Step 5: Solve for x
    x = 27,514,226.76/7,001.80
  6. Step 6: Final answer
    x = 3,929.59

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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.