Home / 5,225.48-7,838.90-2,760.39

Finding the Fourth Proportional to 5,225.48, 7,838.90 and 2,760.39

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Solution

The fourth proportional to 5,225.48, 7,838.90 and 2,760.39 is: 4,140.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.48 : 7,838.90 = 2,760.39 : x
  2. Step 2: Convert to fraction form
    5,225.48/7,838.90 = 2,760.39/x
  3. Step 3: Cross multiply
    5,225.48x = 7,838.90 × 2,760.39
  4. Step 4: Simplify right side
    5,225.48x = 21,638,421.17
  5. Step 5: Solve for x
    x = 21,638,421.17/5,225.48
  6. Step 6: Final answer
    x = 4,140.94

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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.