Home / 7,374.38-10,170.01-4,855.58

Finding the Fourth Proportional to 7,374.38, 10,170.01 and 4,855.58

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Solution

The fourth proportional to 7,374.38, 10,170.01 and 4,855.58 is: 6,696.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.38 : 10,170.01 = 4,855.58 : x
  2. Step 2: Convert to fraction form
    7,374.38/10,170.01 = 4,855.58/x
  3. Step 3: Cross multiply
    7,374.38x = 10,170.01 × 4,855.58
  4. Step 4: Simplify right side
    7,374.38x = 49,381,263.20
  5. Step 5: Solve for x
    x = 49,381,263.20/7,374.38
  6. Step 6: Final answer
    x = 6,696.33

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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.