Home / 8,928.24-13,392.28-2,688.22

Finding the Fourth Proportional to 8,928.24, 13,392.28 and 2,688.22

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Solution

The fourth proportional to 8,928.24, 13,392.28 and 2,688.22 is: 4,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.24 : 13,392.28 = 2,688.22 : x
  2. Step 2: Convert to fraction form
    8,928.24/13,392.28 = 2,688.22/x
  3. Step 3: Cross multiply
    8,928.24x = 13,392.28 × 2,688.22
  4. Step 4: Simplify right side
    8,928.24x = 36,001,394.94
  5. Step 5: Solve for x
    x = 36,001,394.94/8,928.24
  6. Step 6: Final answer
    x = 4,032.31

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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.