Home / 4,285.07-5,915.31-2,516.78

Finding the Fourth Proportional to 4,285.07, 5,915.31 and 2,516.78

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Solution

The fourth proportional to 4,285.07, 5,915.31 and 2,516.78 is: 3,474.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.07 : 5,915.31 = 2,516.78 : x
  2. Step 2: Convert to fraction form
    4,285.07/5,915.31 = 2,516.78/x
  3. Step 3: Cross multiply
    4,285.07x = 5,915.31 × 2,516.78
  4. Step 4: Simplify right side
    4,285.07x = 14,887,533.90
  5. Step 5: Solve for x
    x = 14,887,533.90/4,285.07
  6. Step 6: Final answer
    x = 3,474.28

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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.