Home / 5,642.04-7,784.98-3,251.58

Finding the Fourth Proportional to 5,642.04, 7,784.98 and 3,251.58

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Solution

The fourth proportional to 5,642.04, 7,784.98 and 3,251.58 is: 4,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642.04 : 7,784.98 = 3,251.58 : x
  2. Step 2: Convert to fraction form
    5,642.04/7,784.98 = 3,251.58/x
  3. Step 3: Cross multiply
    5,642.04x = 7,784.98 × 3,251.58
  4. Step 4: Simplify right side
    5,642.04x = 25,313,485.27
  5. Step 5: Solve for x
    x = 25,313,485.27/5,642.04
  6. Step 6: Final answer
    x = 4,486.58

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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.