Home / 7,213.19-10,821.47-3,053.57

Finding the Fourth Proportional to 7,213.19, 10,821.47 and 3,053.57

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Solution

The fourth proportional to 7,213.19, 10,821.47 and 3,053.57 is: 4,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.19 : 10,821.47 = 3,053.57 : x
  2. Step 2: Convert to fraction form
    7,213.19/10,821.47 = 3,053.57/x
  3. Step 3: Cross multiply
    7,213.19x = 10,821.47 × 3,053.57
  4. Step 4: Simplify right side
    7,213.19x = 33,044,046.77
  5. Step 5: Solve for x
    x = 33,044,046.77/7,213.19
  6. Step 6: Final answer
    x = 4,581.06

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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.