Home / 4,863.68-7,281.47-2,856.30

Finding the Fourth Proportional to 4,863.68, 7,281.47 and 2,856.30

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Solution

The fourth proportional to 4,863.68, 7,281.47 and 2,856.30 is: 4,276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,863.68 : 7,281.47 = 2,856.30 : x
  2. Step 2: Convert to fraction form
    4,863.68/7,281.47 = 2,856.30/x
  3. Step 3: Cross multiply
    4,863.68x = 7,281.47 × 2,856.30
  4. Step 4: Simplify right side
    4,863.68x = 20,798,021.17
  5. Step 5: Solve for x
    x = 20,798,021.17/4,863.68
  6. Step 6: Final answer
    x = 4,276.19

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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.