Home / 6,845.48-10,267.20-1,915.61

Finding the Fourth Proportional to 6,845.48, 10,267.20 and 1,915.61

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Solution

The fourth proportional to 6,845.48, 10,267.20 and 1,915.61 is: 2,873.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.48 : 10,267.20 = 1,915.61 : x
  2. Step 2: Convert to fraction form
    6,845.48/10,267.20 = 1,915.61/x
  3. Step 3: Cross multiply
    6,845.48x = 10,267.20 × 1,915.61
  4. Step 4: Simplify right side
    6,845.48x = 19,667,950.99
  5. Step 5: Solve for x
    x = 19,667,950.99/6,845.48
  6. Step 6: Final answer
    x = 2,873.13

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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.