Home / 6,285.49-8,734.10-6,217.13

Finding the Fourth Proportional to 6,285.49, 8,734.10 and 6,217.13

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Solution

The fourth proportional to 6,285.49, 8,734.10 and 6,217.13 is: 8,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.49 : 8,734.10 = 6,217.13 : x
  2. Step 2: Convert to fraction form
    6,285.49/8,734.10 = 6,217.13/x
  3. Step 3: Cross multiply
    6,285.49x = 8,734.10 × 6,217.13
  4. Step 4: Simplify right side
    6,285.49x = 54,301,025.88
  5. Step 5: Solve for x
    x = 54,301,025.88/6,285.49
  6. Step 6: Final answer
    x = 8,639.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.