Home / 6,403.48-8,836.85-3,571.04

Finding the Fourth Proportional to 6,403.48, 8,836.85 and 3,571.04

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Solution

The fourth proportional to 6,403.48, 8,836.85 and 3,571.04 is: 4,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.48 : 8,836.85 = 3,571.04 : x
  2. Step 2: Convert to fraction form
    6,403.48/8,836.85 = 3,571.04/x
  3. Step 3: Cross multiply
    6,403.48x = 8,836.85 × 3,571.04
  4. Step 4: Simplify right side
    6,403.48x = 31,556,700.25
  5. Step 5: Solve for x
    x = 31,556,700.25/6,403.48
  6. Step 6: Final answer
    x = 4,928.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.