Home / 6,291.36-9,426.24-5,742.72

Finding the Fourth Proportional to 6,291.36, 9,426.24 and 5,742.72

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Solution

The fourth proportional to 6,291.36, 9,426.24 and 5,742.72 is: 8,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.36 : 9,426.24 = 5,742.72 : x
  2. Step 2: Convert to fraction form
    6,291.36/9,426.24 = 5,742.72/x
  3. Step 3: Cross multiply
    6,291.36x = 9,426.24 × 5,742.72
  4. Step 4: Simplify right side
    6,291.36x = 54,132,256.97
  5. Step 5: Solve for x
    x = 54,132,256.97/6,291.36
  6. Step 6: Final answer
    x = 8,604.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.