Home / 7,390.89-10,199.49-4,033.71

Finding the Fourth Proportional to 7,390.89, 10,199.49 and 4,033.71

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Solution

The fourth proportional to 7,390.89, 10,199.49 and 4,033.71 is: 5,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.89 : 10,199.49 = 4,033.71 : x
  2. Step 2: Convert to fraction form
    7,390.89/10,199.49 = 4,033.71/x
  3. Step 3: Cross multiply
    7,390.89x = 10,199.49 × 4,033.71
  4. Step 4: Simplify right side
    7,390.89x = 41,141,784.81
  5. Step 5: Solve for x
    x = 41,141,784.81/7,390.89
  6. Step 6: Final answer
    x = 5,566.55

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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.