Home / 8,803.20-13,196.40-2,955.72

Finding the Fourth Proportional to 8,803.20, 13,196.40 and 2,955.72

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Solution

The fourth proportional to 8,803.20, 13,196.40 and 2,955.72 is: 4,430.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.20 : 13,196.40 = 2,955.72 : x
  2. Step 2: Convert to fraction form
    8,803.20/13,196.40 = 2,955.72/x
  3. Step 3: Cross multiply
    8,803.20x = 13,196.40 × 2,955.72
  4. Step 4: Simplify right side
    8,803.20x = 39,004,863.41
  5. Step 5: Solve for x
    x = 39,004,863.41/8,803.20
  6. Step 6: Final answer
    x = 4,430.76

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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.