Home / 4,709.80-6,500.37-2,720.08

Finding the Fourth Proportional to 4,709.80, 6,500.37 and 2,720.08

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Solution

The fourth proportional to 4,709.80, 6,500.37 and 2,720.08 is: 3,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.80 : 6,500.37 = 2,720.08 : x
  2. Step 2: Convert to fraction form
    4,709.80/6,500.37 = 2,720.08/x
  3. Step 3: Cross multiply
    4,709.80x = 6,500.37 × 2,720.08
  4. Step 4: Simplify right side
    4,709.80x = 17,681,526.43
  5. Step 5: Solve for x
    x = 17,681,526.43/4,709.80
  6. Step 6: Final answer
    x = 3,754.20

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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.