Home / 4,688.57-6,453.79-4,245.70

Finding the Fourth Proportional to 4,688.57, 6,453.79 and 4,245.70

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Solution

The fourth proportional to 4,688.57, 6,453.79 and 4,245.70 is: 5,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.57 : 6,453.79 = 4,245.70 : x
  2. Step 2: Convert to fraction form
    4,688.57/6,453.79 = 4,245.70/x
  3. Step 3: Cross multiply
    4,688.57x = 6,453.79 × 4,245.70
  4. Step 4: Simplify right side
    4,688.57x = 27,400,856.20
  5. Step 5: Solve for x
    x = 27,400,856.20/4,688.57
  6. Step 6: Final answer
    x = 5,844.18

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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.