Home / 5,225.28-7,827.68-3,029.40

Finding the Fourth Proportional to 5,225.28, 7,827.68 and 3,029.40

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Solution

The fourth proportional to 5,225.28, 7,827.68 and 3,029.40 is: 4,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.28 : 7,827.68 = 3,029.40 : x
  2. Step 2: Convert to fraction form
    5,225.28/7,827.68 = 3,029.40/x
  3. Step 3: Cross multiply
    5,225.28x = 7,827.68 × 3,029.40
  4. Step 4: Simplify right side
    5,225.28x = 23,713,173.79
  5. Step 5: Solve for x
    x = 23,713,173.79/5,225.28
  6. Step 6: Final answer
    x = 4,538.16

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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.