Home / 9,478.84-14,218.44-2,553.16

Finding the Fourth Proportional to 9,478.84, 14,218.44 and 2,553.16

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Solution

The fourth proportional to 9,478.84, 14,218.44 and 2,553.16 is: 3,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.84 : 14,218.44 = 2,553.16 : x
  2. Step 2: Convert to fraction form
    9,478.84/14,218.44 = 2,553.16/x
  3. Step 3: Cross multiply
    9,478.84x = 14,218.44 × 2,553.16
  4. Step 4: Simplify right side
    9,478.84x = 36,301,952.27
  5. Step 5: Solve for x
    x = 36,301,952.27/9,478.84
  6. Step 6: Final answer
    x = 3,829.79

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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.