Home / 5,435.42-7,499.07-3,756.22

Finding the Fourth Proportional to 5,435.42, 7,499.07 and 3,756.22

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Solution

The fourth proportional to 5,435.42, 7,499.07 and 3,756.22 is: 5,182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.42 : 7,499.07 = 3,756.22 : x
  2. Step 2: Convert to fraction form
    5,435.42/7,499.07 = 3,756.22/x
  3. Step 3: Cross multiply
    5,435.42x = 7,499.07 × 3,756.22
  4. Step 4: Simplify right side
    5,435.42x = 28,168,119.22
  5. Step 5: Solve for x
    x = 28,168,119.22/5,435.42
  6. Step 6: Final answer
    x = 5,182.33

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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.