Home / 7,278.12-10,043.46-4,134.24

Finding the Fourth Proportional to 7,278.12, 10,043.46 and 4,134.24

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Solution

The fourth proportional to 7,278.12, 10,043.46 and 4,134.24 is: 5,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.12 : 10,043.46 = 4,134.24 : x
  2. Step 2: Convert to fraction form
    7,278.12/10,043.46 = 4,134.24/x
  3. Step 3: Cross multiply
    7,278.12x = 10,043.46 × 4,134.24
  4. Step 4: Simplify right side
    7,278.12x = 41,522,074.07
  5. Step 5: Solve for x
    x = 41,522,074.07/7,278.12
  6. Step 6: Final answer
    x = 5,705.05

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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.