Home / 9,478.62-14,212.80-2,903.58

Finding the Fourth Proportional to 9,478.62, 14,212.80 and 2,903.58

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Solution

The fourth proportional to 9,478.62, 14,212.80 and 2,903.58 is: 4,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.62 : 14,212.80 = 2,903.58 : x
  2. Step 2: Convert to fraction form
    9,478.62/14,212.80 = 2,903.58/x
  3. Step 3: Cross multiply
    9,478.62x = 14,212.80 × 2,903.58
  4. Step 4: Simplify right side
    9,478.62x = 41,268,001.82
  5. Step 5: Solve for x
    x = 41,268,001.82/9,478.62
  6. Step 6: Final answer
    x = 4,353.80

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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.