Home / 6,209.64-8,570.34-3,726.12

Finding the Fourth Proportional to 6,209.64, 8,570.34 and 3,726.12

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Solution

The fourth proportional to 6,209.64, 8,570.34 and 3,726.12 is: 5,142.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.64 : 8,570.34 = 3,726.12 : x
  2. Step 2: Convert to fraction form
    6,209.64/8,570.34 = 3,726.12/x
  3. Step 3: Cross multiply
    6,209.64x = 8,570.34 × 3,726.12
  4. Step 4: Simplify right side
    6,209.64x = 31,934,115.28
  5. Step 5: Solve for x
    x = 31,934,115.28/6,209.64
  6. Step 6: Final answer
    x = 5,142.67

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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.