Home / 5,555.12-7,666.07-3,197.26

Finding the Fourth Proportional to 5,555.12, 7,666.07 and 3,197.26

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Solution

The fourth proportional to 5,555.12, 7,666.07 and 3,197.26 is: 4,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.12 : 7,666.07 = 3,197.26 : x
  2. Step 2: Convert to fraction form
    5,555.12/7,666.07 = 3,197.26/x
  3. Step 3: Cross multiply
    5,555.12x = 7,666.07 × 3,197.26
  4. Step 4: Simplify right side
    5,555.12x = 24,510,402.98
  5. Step 5: Solve for x
    x = 24,510,402.98/5,555.12
  6. Step 6: Final answer
    x = 4,412.22

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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.