Home / 7,541.78-10,406.88-4,183.74

Finding the Fourth Proportional to 7,541.78, 10,406.88 and 4,183.74

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Solution

The fourth proportional to 7,541.78, 10,406.88 and 4,183.74 is: 5,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.78 : 10,406.88 = 4,183.74 : x
  2. Step 2: Convert to fraction form
    7,541.78/10,406.88 = 4,183.74/x
  3. Step 3: Cross multiply
    7,541.78x = 10,406.88 × 4,183.74
  4. Step 4: Simplify right side
    7,541.78x = 43,539,680.13
  5. Step 5: Solve for x
    x = 43,539,680.13/7,541.78
  6. Step 6: Final answer
    x = 5,773.13

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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.