Home / 4,869.60-6,719.44-2,773.76

Finding the Fourth Proportional to 4,869.60, 6,719.44 and 2,773.76

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Solution

The fourth proportional to 4,869.60, 6,719.44 and 2,773.76 is: 3,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.60 : 6,719.44 = 2,773.76 : x
  2. Step 2: Convert to fraction form
    4,869.60/6,719.44 = 2,773.76/x
  3. Step 3: Cross multiply
    4,869.60x = 6,719.44 × 2,773.76
  4. Step 4: Simplify right side
    4,869.60x = 18,638,113.89
  5. Step 5: Solve for x
    x = 18,638,113.89/4,869.60
  6. Step 6: Final answer
    x = 3,827.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.