Home / 9,564.28-14,347.25-2,638.78

Finding the Fourth Proportional to 9,564.28, 14,347.25 and 2,638.78

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Solution

The fourth proportional to 9,564.28, 14,347.25 and 2,638.78 is: 3,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,564.28 : 14,347.25 = 2,638.78 : x
  2. Step 2: Convert to fraction form
    9,564.28/14,347.25 = 2,638.78/x
  3. Step 3: Cross multiply
    9,564.28x = 14,347.25 × 2,638.78
  4. Step 4: Simplify right side
    9,564.28x = 37,859,250.99
  5. Step 5: Solve for x
    x = 37,859,250.99/9,564.28
  6. Step 6: Final answer
    x = 3,958.40

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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.