Home / 6,403.21-8,836.20-3,570.43

Finding the Fourth Proportional to 6,403.21, 8,836.20 and 3,570.43

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Solution

The fourth proportional to 6,403.21, 8,836.20 and 3,570.43 is: 4,927.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.21 : 8,836.20 = 3,570.43 : x
  2. Step 2: Convert to fraction form
    6,403.21/8,836.20 = 3,570.43/x
  3. Step 3: Cross multiply
    6,403.21x = 8,836.20 × 3,570.43
  4. Step 4: Simplify right side
    6,403.21x = 31,549,033.57
  5. Step 5: Solve for x
    x = 31,549,033.57/6,403.21
  6. Step 6: Final answer
    x = 4,927.07

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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.