Home / 9,339.92-14,005.08-2,765.28

Finding the Fourth Proportional to 9,339.92, 14,005.08 and 2,765.28

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Solution

The fourth proportional to 9,339.92, 14,005.08 and 2,765.28 is: 4,146.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339.92 : 14,005.08 = 2,765.28 : x
  2. Step 2: Convert to fraction form
    9,339.92/14,005.08 = 2,765.28/x
  3. Step 3: Cross multiply
    9,339.92x = 14,005.08 × 2,765.28
  4. Step 4: Simplify right side
    9,339.92x = 38,727,967.62
  5. Step 5: Solve for x
    x = 38,727,967.62/9,339.92
  6. Step 6: Final answer
    x = 4,146.50

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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.