Home / 4,247.64-5,860.74-2,478.60

Finding the Fourth Proportional to 4,247.64, 5,860.74 and 2,478.60

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Solution

The fourth proportional to 4,247.64, 5,860.74 and 2,478.60 is: 3,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.64 : 5,860.74 = 2,478.60 : x
  2. Step 2: Convert to fraction form
    4,247.64/5,860.74 = 2,478.60/x
  3. Step 3: Cross multiply
    4,247.64x = 5,860.74 × 2,478.60
  4. Step 4: Simplify right side
    4,247.64x = 14,526,430.16
  5. Step 5: Solve for x
    x = 14,526,430.16/4,247.64
  6. Step 6: Final answer
    x = 3,419.88

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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.