Home / 4,724-6,519.12-2,628.64

Finding the Fourth Proportional to 4,724, 6,519.12 and 2,628.64

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Solution

The fourth proportional to 4,724, 6,519.12 and 2,628.64 is: 3,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724 : 6,519.12 = 2,628.64 : x
  2. Step 2: Convert to fraction form
    4,724/6,519.12 = 2,628.64/x
  3. Step 3: Cross multiply
    4,724x = 6,519.12 × 2,628.64
  4. Step 4: Simplify right side
    4,724x = 17,136,419.60
  5. Step 5: Solve for x
    x = 17,136,419.60/4,724
  6. Step 6: Final answer
    x = 3,627.52

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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.