Home / 7,576.04-10,454.19-4,218.73

Finding the Fourth Proportional to 7,576.04, 10,454.19 and 4,218.73

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Solution

The fourth proportional to 7,576.04, 10,454.19 and 4,218.73 is: 5,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.04 : 10,454.19 = 4,218.73 : x
  2. Step 2: Convert to fraction form
    7,576.04/10,454.19 = 4,218.73/x
  3. Step 3: Cross multiply
    7,576.04x = 10,454.19 × 4,218.73
  4. Step 4: Simplify right side
    7,576.04x = 44,103,352.71
  5. Step 5: Solve for x
    x = 44,103,352.71/7,576.04
  6. Step 6: Final answer
    x = 5,821.43

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Half scale
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Double scale
Find fourth proportional to 7,577.04, 10,455.57 and 4,219.73
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.