Home / 7,555.42-10,426.97-4,571.38

Finding the Fourth Proportional to 7,555.42, 10,426.97 and 4,571.38

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Solution

The fourth proportional to 7,555.42, 10,426.97 and 4,571.38 is: 6,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.42 : 10,426.97 = 4,571.38 : x
  2. Step 2: Convert to fraction form
    7,555.42/10,426.97 = 4,571.38/x
  3. Step 3: Cross multiply
    7,555.42x = 10,426.97 × 4,571.38
  4. Step 4: Simplify right side
    7,555.42x = 47,665,567.13
  5. Step 5: Solve for x
    x = 47,665,567.13/7,555.42
  6. Step 6: Final answer
    x = 6,308.80

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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.