Home / 8,928.20-13,392.23-2,688.19

Finding the Fourth Proportional to 8,928.20, 13,392.23 and 2,688.19

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Solution

The fourth proportional to 8,928.20, 13,392.23 and 2,688.19 is: 4,032.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.20 : 13,392.23 = 2,688.19 : x
  2. Step 2: Convert to fraction form
    8,928.20/13,392.23 = 2,688.19/x
  3. Step 3: Cross multiply
    8,928.20x = 13,392.23 × 2,688.19
  4. Step 4: Simplify right side
    8,928.20x = 36,000,858.76
  5. Step 5: Solve for x
    x = 36,000,858.76/8,928.20
  6. Step 6: Final answer
    x = 4,032.26

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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.