Home / 9,478.09-14,219.87-2,905.25

Finding the Fourth Proportional to 9,478.09, 14,219.87 and 2,905.25

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Solution

The fourth proportional to 9,478.09, 14,219.87 and 2,905.25 is: 4,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.09 : 14,219.87 = 2,905.25 : x
  2. Step 2: Convert to fraction form
    9,478.09/14,219.87 = 2,905.25/x
  3. Step 3: Cross multiply
    9,478.09x = 14,219.87 × 2,905.25
  4. Step 4: Simplify right side
    9,478.09x = 41,312,277.32
  5. Step 5: Solve for x
    x = 41,312,277.32/9,478.09
  6. Step 6: Final answer
    x = 4,358.71

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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.