Home / 4,720.05-6,513.13-3,775.50

Finding the Fourth Proportional to 4,720.05, 6,513.13 and 3,775.50

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Solution

The fourth proportional to 4,720.05, 6,513.13 and 3,775.50 is: 5,209.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.05 : 6,513.13 = 3,775.50 : x
  2. Step 2: Convert to fraction form
    4,720.05/6,513.13 = 3,775.50/x
  3. Step 3: Cross multiply
    4,720.05x = 6,513.13 × 3,775.50
  4. Step 4: Simplify right side
    4,720.05x = 24,590,348.04
  5. Step 5: Solve for x
    x = 24,590,348.04/4,720.05
  6. Step 6: Final answer
    x = 5,209.76

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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.