Home / 7,559.43-10,431.81-4,202.16

Finding the Fourth Proportional to 7,559.43, 10,431.81 and 4,202.16

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Solution

The fourth proportional to 7,559.43, 10,431.81 and 4,202.16 is: 5,798.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.43 : 10,431.81 = 4,202.16 : x
  2. Step 2: Convert to fraction form
    7,559.43/10,431.81 = 4,202.16/x
  3. Step 3: Cross multiply
    7,559.43x = 10,431.81 × 4,202.16
  4. Step 4: Simplify right side
    7,559.43x = 43,836,134.71
  5. Step 5: Solve for x
    x = 43,836,134.71/7,559.43
  6. Step 6: Final answer
    x = 5,798.87

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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.