Home / 5,038.12-7,523.21-4,115.47

Finding the Fourth Proportional to 5,038.12, 7,523.21 and 4,115.47

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Solution

The fourth proportional to 5,038.12, 7,523.21 and 4,115.47 is: 6,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.12 : 7,523.21 = 4,115.47 : x
  2. Step 2: Convert to fraction form
    5,038.12/7,523.21 = 4,115.47/x
  3. Step 3: Cross multiply
    5,038.12x = 7,523.21 × 4,115.47
  4. Step 4: Simplify right side
    5,038.12x = 30,961,507.44
  5. Step 5: Solve for x
    x = 30,961,507.44/5,038.12
  6. Step 6: Final answer
    x = 6,145.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.