Home / 4,319.74-6,479.61-1,856.29

Finding the Fourth Proportional to 4,319.74, 6,479.61 and 1,856.29

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Solution

The fourth proportional to 4,319.74, 6,479.61 and 1,856.29 is: 2,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.74 : 6,479.61 = 1,856.29 : x
  2. Step 2: Convert to fraction form
    4,319.74/6,479.61 = 1,856.29/x
  3. Step 3: Cross multiply
    4,319.74x = 6,479.61 × 1,856.29
  4. Step 4: Simplify right side
    4,319.74x = 12,028,035.25
  5. Step 5: Solve for x
    x = 12,028,035.25/4,319.74
  6. Step 6: Final answer
    x = 2,784.44

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Double scale
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Similar ratio
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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.