Home / 8,952.28-13,428.60-4,272.84

Finding the Fourth Proportional to 8,952.28, 13,428.60 and 4,272.84

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Solution

The fourth proportional to 8,952.28, 13,428.60 and 4,272.84 is: 6,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.28 : 13,428.60 = 4,272.84 : x
  2. Step 2: Convert to fraction form
    8,952.28/13,428.60 = 4,272.84/x
  3. Step 3: Cross multiply
    8,952.28x = 13,428.60 × 4,272.84
  4. Step 4: Simplify right side
    8,952.28x = 57,378,259.22
  5. Step 5: Solve for x
    x = 57,378,259.22/8,952.28
  6. Step 6: Final answer
    x = 6,409.35

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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.