Home / 4,864.48-7,290.60-2,643.28

Finding the Fourth Proportional to 4,864.48, 7,290.60 and 2,643.28

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Solution

The fourth proportional to 4,864.48, 7,290.60 and 2,643.28 is: 3,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,864.48 : 7,290.60 = 2,643.28 : x
  2. Step 2: Convert to fraction form
    4,864.48/7,290.60 = 2,643.28/x
  3. Step 3: Cross multiply
    4,864.48x = 7,290.60 × 2,643.28
  4. Step 4: Simplify right side
    4,864.48x = 19,271,097.17
  5. Step 5: Solve for x
    x = 19,271,097.17/4,864.48
  6. Step 6: Final answer
    x = 3,961.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.