Home / 4,716.81-6,509.16-2,620.89

Finding the Fourth Proportional to 4,716.81, 6,509.16 and 2,620.89

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Solution

The fourth proportional to 4,716.81, 6,509.16 and 2,620.89 is: 3,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,716.81 : 6,509.16 = 2,620.89 : x
  2. Step 2: Convert to fraction form
    4,716.81/6,509.16 = 2,620.89/x
  3. Step 3: Cross multiply
    4,716.81x = 6,509.16 × 2,620.89
  4. Step 4: Simplify right side
    4,716.81x = 17,059,792.35
  5. Step 5: Solve for x
    x = 17,059,792.35/4,716.81
  6. Step 6: Final answer
    x = 3,616.81

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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.