Home / 5,215.04-7,823.57-2,253.48

Finding the Fourth Proportional to 5,215.04, 7,823.57 and 2,253.48

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Solution

The fourth proportional to 5,215.04, 7,823.57 and 2,253.48 is: 3,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.04 : 7,823.57 = 2,253.48 : x
  2. Step 2: Convert to fraction form
    5,215.04/7,823.57 = 2,253.48/x
  3. Step 3: Cross multiply
    5,215.04x = 7,823.57 × 2,253.48
  4. Step 4: Simplify right side
    5,215.04x = 17,630,247.26
  5. Step 5: Solve for x
    x = 17,630,247.26/5,215.04
  6. Step 6: Final answer
    x = 3,380.66

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1.5x scale

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.