Home / 9,479.29-14,220.77-2,905.54

Finding the Fourth Proportional to 9,479.29, 14,220.77 and 2,905.54

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Solution

The fourth proportional to 9,479.29, 14,220.77 and 2,905.54 is: 4,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.29 : 14,220.77 = 2,905.54 : x
  2. Step 2: Convert to fraction form
    9,479.29/14,220.77 = 2,905.54/x
  3. Step 3: Cross multiply
    9,479.29x = 14,220.77 × 2,905.54
  4. Step 4: Simplify right side
    9,479.29x = 41,319,016.07
  5. Step 5: Solve for x
    x = 41,319,016.07/9,479.29
  6. Step 6: Final answer
    x = 4,358.87

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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.