Home / 4,247.02-5,860.49-2,478.28

Finding the Fourth Proportional to 4,247.02, 5,860.49 and 2,478.28

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Solution

The fourth proportional to 4,247.02, 5,860.49 and 2,478.28 is: 3,419.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.02 : 5,860.49 = 2,478.28 : x
  2. Step 2: Convert to fraction form
    4,247.02/5,860.49 = 2,478.28/x
  3. Step 3: Cross multiply
    4,247.02x = 5,860.49 × 2,478.28
  4. Step 4: Simplify right side
    4,247.02x = 14,523,935.16
  5. Step 5: Solve for x
    x = 14,523,935.16/4,247.02
  6. Step 6: Final answer
    x = 3,419.79

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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.