Home / 4,971.84-7,455.74-2,160.87

Finding the Fourth Proportional to 4,971.84, 7,455.74 and 2,160.87

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Solution

The fourth proportional to 4,971.84, 7,455.74 and 2,160.87 is: 3,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.84 : 7,455.74 = 2,160.87 : x
  2. Step 2: Convert to fraction form
    4,971.84/7,455.74 = 2,160.87/x
  3. Step 3: Cross multiply
    4,971.84x = 7,455.74 × 2,160.87
  4. Step 4: Simplify right side
    4,971.84x = 16,110,874.09
  5. Step 5: Solve for x
    x = 16,110,874.09/4,971.84
  6. Step 6: Final answer
    x = 3,240.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.