Home / 7,436.80-10,262.60-4,079.58

Finding the Fourth Proportional to 7,436.80, 10,262.60 and 4,079.58

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Solution

The fourth proportional to 7,436.80, 10,262.60 and 4,079.58 is: 5,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.80 : 10,262.60 = 4,079.58 : x
  2. Step 2: Convert to fraction form
    7,436.80/10,262.60 = 4,079.58/x
  3. Step 3: Cross multiply
    7,436.80x = 10,262.60 × 4,079.58
  4. Step 4: Simplify right side
    7,436.80x = 41,867,097.71
  5. Step 5: Solve for x
    x = 41,867,097.71/7,436.80
  6. Step 6: Final answer
    x = 5,629.72

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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.