Home / 4,715.50-6,507.66-2,620.30

Finding the Fourth Proportional to 4,715.50, 6,507.66 and 2,620.30

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Solution

The fourth proportional to 4,715.50, 6,507.66 and 2,620.30 is: 3,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.50 : 6,507.66 = 2,620.30 : x
  2. Step 2: Convert to fraction form
    4,715.50/6,507.66 = 2,620.30/x
  3. Step 3: Cross multiply
    4,715.50x = 6,507.66 × 2,620.30
  4. Step 4: Simplify right side
    4,715.50x = 17,052,021.50
  5. Step 5: Solve for x
    x = 17,052,021.50/4,715.50
  6. Step 6: Final answer
    x = 3,616.16

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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.