Home / 9,478.86-14,221.02-2,906.01

Finding the Fourth Proportional to 9,478.86, 14,221.02 and 2,906.01

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Solution

The fourth proportional to 9,478.86, 14,221.02 and 2,906.01 is: 4,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.86 : 14,221.02 = 2,906.01 : x
  2. Step 2: Convert to fraction form
    9,478.86/14,221.02 = 2,906.01/x
  3. Step 3: Cross multiply
    9,478.86x = 14,221.02 × 2,906.01
  4. Step 4: Simplify right side
    9,478.86x = 41,326,426.33
  5. Step 5: Solve for x
    x = 41,326,426.33/9,478.86
  6. Step 6: Final answer
    x = 4,359.85

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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.