Home / 5,240.31-7,222.43-4,660.60

Finding the Fourth Proportional to 5,240.31, 7,222.43 and 4,660.60

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Solution

The fourth proportional to 5,240.31, 7,222.43 and 4,660.60 is: 6,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.31 : 7,222.43 = 4,660.60 : x
  2. Step 2: Convert to fraction form
    5,240.31/7,222.43 = 4,660.60/x
  3. Step 3: Cross multiply
    5,240.31x = 7,222.43 × 4,660.60
  4. Step 4: Simplify right side
    5,240.31x = 33,660,857.26
  5. Step 5: Solve for x
    x = 33,660,857.26/5,240.31
  6. Step 6: Final answer
    x = 6,423.45

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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.