Home / 6,288.83-8,679.65-3,637.85

Finding the Fourth Proportional to 6,288.83, 8,679.65 and 3,637.85

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Solution

The fourth proportional to 6,288.83, 8,679.65 and 3,637.85 is: 5,020.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.83 : 8,679.65 = 3,637.85 : x
  2. Step 2: Convert to fraction form
    6,288.83/8,679.65 = 3,637.85/x
  3. Step 3: Cross multiply
    6,288.83x = 8,679.65 × 3,637.85
  4. Step 4: Simplify right side
    6,288.83x = 31,575,264.75
  5. Step 5: Solve for x
    x = 31,575,264.75/6,288.83
  6. Step 6: Final answer
    x = 5,020.85

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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.