Home / 6,858.90-10,285.86-2,475.18

Finding the Fourth Proportional to 6,858.90, 10,285.86 and 2,475.18

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Solution

The fourth proportional to 6,858.90, 10,285.86 and 2,475.18 is: 3,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.90 : 10,285.86 = 2,475.18 : x
  2. Step 2: Convert to fraction form
    6,858.90/10,285.86 = 2,475.18/x
  3. Step 3: Cross multiply
    6,858.90x = 10,285.86 × 2,475.18
  4. Step 4: Simplify right side
    6,858.90x = 25,459,354.95
  5. Step 5: Solve for x
    x = 25,459,354.95/6,858.90
  6. Step 6: Final answer
    x = 3,711.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.