Home / 6,721.07-10,081.57-2,560.10

Finding the Fourth Proportional to 6,721.07, 10,081.57 and 2,560.10

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Solution

The fourth proportional to 6,721.07, 10,081.57 and 2,560.10 is: 3,840.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.07 : 10,081.57 = 2,560.10 : x
  2. Step 2: Convert to fraction form
    6,721.07/10,081.57 = 2,560.10/x
  3. Step 3: Cross multiply
    6,721.07x = 10,081.57 × 2,560.10
  4. Step 4: Simplify right side
    6,721.07x = 25,809,827.36
  5. Step 5: Solve for x
    x = 25,809,827.36/6,721.07
  6. Step 6: Final answer
    x = 3,840.14

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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.