Home / 6,120.47-9,134.46-5,529.98

Finding the Fourth Proportional to 6,120.47, 9,134.46 and 5,529.98

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Solution

The fourth proportional to 6,120.47, 9,134.46 and 5,529.98 is: 8,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.47 : 9,134.46 = 5,529.98 : x
  2. Step 2: Convert to fraction form
    6,120.47/9,134.46 = 5,529.98/x
  3. Step 3: Cross multiply
    6,120.47x = 9,134.46 × 5,529.98
  4. Step 4: Simplify right side
    6,120.47x = 50,513,403.95
  5. Step 5: Solve for x
    x = 50,513,403.95/6,120.47
  6. Step 6: Final answer
    x = 8,253.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.