Home / 6,542.42-9,030.85-3,889.81

Finding the Fourth Proportional to 6,542.42, 9,030.85 and 3,889.81

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Solution

The fourth proportional to 6,542.42, 9,030.85 and 3,889.81 is: 5,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.42 : 9,030.85 = 3,889.81 : x
  2. Step 2: Convert to fraction form
    6,542.42/9,030.85 = 3,889.81/x
  3. Step 3: Cross multiply
    6,542.42x = 9,030.85 × 3,889.81
  4. Step 4: Simplify right side
    6,542.42x = 35,128,290.64
  5. Step 5: Solve for x
    x = 35,128,290.64/6,542.42
  6. Step 6: Final answer
    x = 5,369.32

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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.