Home / 5,476.80-8,206.56-3,527.40

Finding the Fourth Proportional to 5,476.80, 8,206.56 and 3,527.40

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Solution

The fourth proportional to 5,476.80, 8,206.56 and 3,527.40 is: 5,285.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.80 : 8,206.56 = 3,527.40 : x
  2. Step 2: Convert to fraction form
    5,476.80/8,206.56 = 3,527.40/x
  3. Step 3: Cross multiply
    5,476.80x = 8,206.56 × 3,527.40
  4. Step 4: Simplify right side
    5,476.80x = 28,947,819.74
  5. Step 5: Solve for x
    x = 28,947,819.74/5,476.80
  6. Step 6: Final answer
    x = 5,285.54

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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.