Home / 6,538.08-9,018.90-4,018.44

Finding the Fourth Proportional to 6,538.08, 9,018.90 and 4,018.44

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Solution

The fourth proportional to 6,538.08, 9,018.90 and 4,018.44 is: 5,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,538.08 : 9,018.90 = 4,018.44 : x
  2. Step 2: Convert to fraction form
    6,538.08/9,018.90 = 4,018.44/x
  3. Step 3: Cross multiply
    6,538.08x = 9,018.90 × 4,018.44
  4. Step 4: Simplify right side
    6,538.08x = 36,241,908.52
  5. Step 5: Solve for x
    x = 36,241,908.52/6,538.08
  6. Step 6: Final answer
    x = 5,543.20

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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.