Home / 4,755.89-7,134.33-1,981.01

Finding the Fourth Proportional to 4,755.89, 7,134.33 and 1,981.01

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Solution

The fourth proportional to 4,755.89, 7,134.33 and 1,981.01 is: 2,971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.89 : 7,134.33 = 1,981.01 : x
  2. Step 2: Convert to fraction form
    4,755.89/7,134.33 = 1,981.01/x
  3. Step 3: Cross multiply
    4,755.89x = 7,134.33 × 1,981.01
  4. Step 4: Simplify right side
    4,755.89x = 14,133,153.06
  5. Step 5: Solve for x
    x = 14,133,153.06/4,755.89
  6. Step 6: Final answer
    x = 2,971.72

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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.