Home / 6,288.29-8,675.35-3,635.21

Finding the Fourth Proportional to 6,288.29, 8,675.35 and 3,635.21

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Solution

The fourth proportional to 6,288.29, 8,675.35 and 3,635.21 is: 5,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.29 : 8,675.35 = 3,635.21 : x
  2. Step 2: Convert to fraction form
    6,288.29/8,675.35 = 3,635.21/x
  3. Step 3: Cross multiply
    6,288.29x = 8,675.35 × 3,635.21
  4. Step 4: Simplify right side
    6,288.29x = 31,536,719.07
  5. Step 5: Solve for x
    x = 31,536,719.07/6,288.29
  6. Step 6: Final answer
    x = 5,015.15

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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.