Home / 7,088.47-9,777.79-4,433.70

Finding the Fourth Proportional to 7,088.47, 9,777.79 and 4,433.70

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Solution

The fourth proportional to 7,088.47, 9,777.79 and 4,433.70 is: 6,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.47 : 9,777.79 = 4,433.70 : x
  2. Step 2: Convert to fraction form
    7,088.47/9,777.79 = 4,433.70/x
  3. Step 3: Cross multiply
    7,088.47x = 9,777.79 × 4,433.70
  4. Step 4: Simplify right side
    7,088.47x = 43,351,716.47
  5. Step 5: Solve for x
    x = 43,351,716.47/7,088.47
  6. Step 6: Final answer
    x = 6,115.81

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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.