Home / 7,390.89-10,199.45-4,246.88

Finding the Fourth Proportional to 7,390.89, 10,199.45 and 4,246.88

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Solution

The fourth proportional to 7,390.89, 10,199.45 and 4,246.88 is: 5,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.89 : 10,199.45 = 4,246.88 : x
  2. Step 2: Convert to fraction form
    7,390.89/10,199.45 = 4,246.88/x
  3. Step 3: Cross multiply
    7,390.89x = 10,199.45 × 4,246.88
  4. Step 4: Simplify right side
    7,390.89x = 43,315,799.84
  5. Step 5: Solve for x
    x = 43,315,799.84/7,390.89
  6. Step 6: Final answer
    x = 5,860.70

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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.