Home / 6,945.78-10,415.36-2,560.16

Finding the Fourth Proportional to 6,945.78, 10,415.36 and 2,560.16

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Solution

The fourth proportional to 6,945.78, 10,415.36 and 2,560.16 is: 3,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.78 : 10,415.36 = 2,560.16 : x
  2. Step 2: Convert to fraction form
    6,945.78/10,415.36 = 2,560.16/x
  3. Step 3: Cross multiply
    6,945.78x = 10,415.36 × 2,560.16
  4. Step 4: Simplify right side
    6,945.78x = 26,664,954.71
  5. Step 5: Solve for x
    x = 26,664,954.71/6,945.78
  6. Step 6: Final answer
    x = 3,839.02

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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.