Home / 8,276.28-11,422.23-4,740

Finding the Fourth Proportional to 8,276.28, 11,422.23 and 4,740

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Solution

The fourth proportional to 8,276.28, 11,422.23 and 4,740 is: 6,541.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.28 : 11,422.23 = 4,740 : x
  2. Step 2: Convert to fraction form
    8,276.28/11,422.23 = 4,740/x
  3. Step 3: Cross multiply
    8,276.28x = 11,422.23 × 4,740
  4. Step 4: Simplify right side
    8,276.28x = 54,141,370.20
  5. Step 5: Solve for x
    x = 54,141,370.20/8,276.28
  6. Step 6: Final answer
    x = 6,541.75

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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.