Home / 5,403.28-8,100.04-2,798.32

Finding the Fourth Proportional to 5,403.28, 8,100.04 and 2,798.32

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Solution

The fourth proportional to 5,403.28, 8,100.04 and 2,798.32 is: 4,194.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.28 : 8,100.04 = 2,798.32 : x
  2. Step 2: Convert to fraction form
    5,403.28/8,100.04 = 2,798.32/x
  3. Step 3: Cross multiply
    5,403.28x = 8,100.04 × 2,798.32
  4. Step 4: Simplify right side
    5,403.28x = 22,666,503.93
  5. Step 5: Solve for x
    x = 22,666,503.93/5,403.28
  6. Step 6: Final answer
    x = 4,194.95

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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.