Home / 9,491.28-14,238.54-4,228.20

Finding the Fourth Proportional to 9,491.28, 14,238.54 and 4,228.20

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Solution

The fourth proportional to 9,491.28, 14,238.54 and 4,228.20 is: 6,343.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491.28 : 14,238.54 = 4,228.20 : x
  2. Step 2: Convert to fraction form
    9,491.28/14,238.54 = 4,228.20/x
  3. Step 3: Cross multiply
    9,491.28x = 14,238.54 × 4,228.20
  4. Step 4: Simplify right side
    9,491.28x = 60,203,394.83
  5. Step 5: Solve for x
    x = 60,203,394.83/9,491.28
  6. Step 6: Final answer
    x = 6,343.02

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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.