Home / 4,719.10-6,513.51-2,856.70

Finding the Fourth Proportional to 4,719.10, 6,513.51 and 2,856.70

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Solution

The fourth proportional to 4,719.10, 6,513.51 and 2,856.70 is: 3,942.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.10 : 6,513.51 = 2,856.70 : x
  2. Step 2: Convert to fraction form
    4,719.10/6,513.51 = 2,856.70/x
  3. Step 3: Cross multiply
    4,719.10x = 6,513.51 × 2,856.70
  4. Step 4: Simplify right side
    4,719.10x = 18,607,144.02
  5. Step 5: Solve for x
    x = 18,607,144.02/4,719.10
  6. Step 6: Final answer
    x = 3,942.94

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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.