Home / 4,816.71-6,647.63-2,720.84

Finding the Fourth Proportional to 4,816.71, 6,647.63 and 2,720.84

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Solution

The fourth proportional to 4,816.71, 6,647.63 and 2,720.84 is: 3,755.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.71 : 6,647.63 = 2,720.84 : x
  2. Step 2: Convert to fraction form
    4,816.71/6,647.63 = 2,720.84/x
  3. Step 3: Cross multiply
    4,816.71x = 6,647.63 × 2,720.84
  4. Step 4: Simplify right side
    4,816.71x = 18,087,090.77
  5. Step 5: Solve for x
    x = 18,087,090.77/4,816.71
  6. Step 6: Final answer
    x = 3,755.07

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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.