Home / 4,257.30-6,384.72-1,792.10

Finding the Fourth Proportional to 4,257.30, 6,384.72 and 1,792.10

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Solution

The fourth proportional to 4,257.30, 6,384.72 and 1,792.10 is: 2,687.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.30 : 6,384.72 = 1,792.10 : x
  2. Step 2: Convert to fraction form
    4,257.30/6,384.72 = 1,792.10/x
  3. Step 3: Cross multiply
    4,257.30x = 6,384.72 × 1,792.10
  4. Step 4: Simplify right side
    4,257.30x = 11,442,056.71
  5. Step 5: Solve for x
    x = 11,442,056.71/4,257.30
  6. Step 6: Final answer
    x = 2,687.63

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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.