Home / 5,345.56-8,018.78-1,397.34

Finding the Fourth Proportional to 5,345.56, 8,018.78 and 1,397.34

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Solution

The fourth proportional to 5,345.56, 8,018.78 and 1,397.34 is: 2,096.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.56 : 8,018.78 = 1,397.34 : x
  2. Step 2: Convert to fraction form
    5,345.56/8,018.78 = 1,397.34/x
  3. Step 3: Cross multiply
    5,345.56x = 8,018.78 × 1,397.34
  4. Step 4: Simplify right side
    5,345.56x = 11,204,962.05
  5. Step 5: Solve for x
    x = 11,204,962.05/5,345.56
  6. Step 6: Final answer
    x = 2,096.13

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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.