Home / 5,242.17-7,235.23-3,005.55

Finding the Fourth Proportional to 5,242.17, 7,235.23 and 3,005.55

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Solution

The fourth proportional to 5,242.17, 7,235.23 and 3,005.55 is: 4,148.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.17 : 7,235.23 = 3,005.55 : x
  2. Step 2: Convert to fraction form
    5,242.17/7,235.23 = 3,005.55/x
  3. Step 3: Cross multiply
    5,242.17x = 7,235.23 × 3,005.55
  4. Step 4: Simplify right side
    5,242.17x = 21,745,845.53
  5. Step 5: Solve for x
    x = 21,745,845.53/5,242.17
  6. Step 6: Final answer
    x = 4,148.25

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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.