Home / 5,216.76-7,199.10-2,858.82

Finding the Fourth Proportional to 5,216.76, 7,199.10 and 2,858.82

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Solution

The fourth proportional to 5,216.76, 7,199.10 and 2,858.82 is: 3,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.76 : 7,199.10 = 2,858.82 : x
  2. Step 2: Convert to fraction form
    5,216.76/7,199.10 = 2,858.82/x
  3. Step 3: Cross multiply
    5,216.76x = 7,199.10 × 2,858.82
  4. Step 4: Simplify right side
    5,216.76x = 20,580,931.06
  5. Step 5: Solve for x
    x = 20,580,931.06/5,216.76
  6. Step 6: Final answer
    x = 3,945.16

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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.