Home / 9,352.56-14,031.48-2,778.72

Finding the Fourth Proportional to 9,352.56, 14,031.48 and 2,778.72

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Solution

The fourth proportional to 9,352.56, 14,031.48 and 2,778.72 is: 4,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,352.56 : 14,031.48 = 2,778.72 : x
  2. Step 2: Convert to fraction form
    9,352.56/14,031.48 = 2,778.72/x
  3. Step 3: Cross multiply
    9,352.56x = 14,031.48 × 2,778.72
  4. Step 4: Simplify right side
    9,352.56x = 38,989,554.11
  5. Step 5: Solve for x
    x = 38,989,554.11/9,352.56
  6. Step 6: Final answer
    x = 4,168.86

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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.