Home / 9,257.78-13,885.76-5,042.40

Finding the Fourth Proportional to 9,257.78, 13,885.76 and 5,042.40

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Solution

The fourth proportional to 9,257.78, 13,885.76 and 5,042.40 is: 7,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,257.78 : 13,885.76 = 5,042.40 : x
  2. Step 2: Convert to fraction form
    9,257.78/13,885.76 = 5,042.40/x
  3. Step 3: Cross multiply
    9,257.78x = 13,885.76 × 5,042.40
  4. Step 4: Simplify right side
    9,257.78x = 70,017,556.22
  5. Step 5: Solve for x
    x = 70,017,556.22/9,257.78
  6. Step 6: Final answer
    x = 7,563.10

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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.