Home / 9,255.24-12,772.23-5,276.35

Finding the Fourth Proportional to 9,255.24, 12,772.23 and 5,276.35

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Solution

The fourth proportional to 9,255.24, 12,772.23 and 5,276.35 is: 7,281.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.24 : 12,772.23 = 5,276.35 : x
  2. Step 2: Convert to fraction form
    9,255.24/12,772.23 = 5,276.35/x
  3. Step 3: Cross multiply
    9,255.24x = 12,772.23 × 5,276.35
  4. Step 4: Simplify right side
    9,255.24x = 67,390,766.85
  5. Step 5: Solve for x
    x = 67,390,766.85/9,255.24
  6. Step 6: Final answer
    x = 7,281.36

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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.