Home / 4,824.28-6,656.40-2,699.20

Finding the Fourth Proportional to 4,824.28, 6,656.40 and 2,699.20

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Solution

The fourth proportional to 4,824.28, 6,656.40 and 2,699.20 is: 3,724.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,824.28 : 6,656.40 = 2,699.20 : x
  2. Step 2: Convert to fraction form
    4,824.28/6,656.40 = 2,699.20/x
  3. Step 3: Cross multiply
    4,824.28x = 6,656.40 × 2,699.20
  4. Step 4: Simplify right side
    4,824.28x = 17,966,954.88
  5. Step 5: Solve for x
    x = 17,966,954.88/4,824.28
  6. Step 6: Final answer
    x = 3,724.28

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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.