Home / 6,285.10-8,673.14-3,490.78

Finding the Fourth Proportional to 6,285.10, 8,673.14 and 3,490.78

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Solution

The fourth proportional to 6,285.10, 8,673.14 and 3,490.78 is: 4,817.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.10 : 8,673.14 = 3,490.78 : x
  2. Step 2: Convert to fraction form
    6,285.10/8,673.14 = 3,490.78/x
  3. Step 3: Cross multiply
    6,285.10x = 8,673.14 × 3,490.78
  4. Step 4: Simplify right side
    6,285.10x = 30,276,023.65
  5. Step 5: Solve for x
    x = 30,276,023.65/6,285.10
  6. Step 6: Final answer
    x = 4,817.11

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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.