Home / 6,296.15-8,688.98-3,643.05

Finding the Fourth Proportional to 6,296.15, 8,688.98 and 3,643.05

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Solution

The fourth proportional to 6,296.15, 8,688.98 and 3,643.05 is: 5,027.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,296.15 : 8,688.98 = 3,643.05 : x
  2. Step 2: Convert to fraction form
    6,296.15/8,688.98 = 3,643.05/x
  3. Step 3: Cross multiply
    6,296.15x = 8,688.98 × 3,643.05
  4. Step 4: Simplify right side
    6,296.15x = 31,654,365.11
  5. Step 5: Solve for x
    x = 31,654,365.11/6,296.15
  6. Step 6: Final answer
    x = 5,027.57

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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.