Home / 7,334.47-10,122.11-4,190.59

Finding the Fourth Proportional to 7,334.47, 10,122.11 and 4,190.59

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Solution

The fourth proportional to 7,334.47, 10,122.11 and 4,190.59 is: 5,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.47 : 10,122.11 = 4,190.59 : x
  2. Step 2: Convert to fraction form
    7,334.47/10,122.11 = 4,190.59/x
  3. Step 3: Cross multiply
    7,334.47x = 10,122.11 × 4,190.59
  4. Step 4: Simplify right side
    7,334.47x = 42,417,591.99
  5. Step 5: Solve for x
    x = 42,417,591.99/7,334.47
  6. Step 6: Final answer
    x = 5,783.32

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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.