Home / 5,089.34-7,019.66-4,145.16

Finding the Fourth Proportional to 5,089.34, 7,019.66 and 4,145.16

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Solution

The fourth proportional to 5,089.34, 7,019.66 and 4,145.16 is: 5,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.34 : 7,019.66 = 4,145.16 : x
  2. Step 2: Convert to fraction form
    5,089.34/7,019.66 = 4,145.16/x
  3. Step 3: Cross multiply
    5,089.34x = 7,019.66 × 4,145.16
  4. Step 4: Simplify right side
    5,089.34x = 29,097,613.85
  5. Step 5: Solve for x
    x = 29,097,613.85/5,089.34
  6. Step 6: Final answer
    x = 5,717.36

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Half scale
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Double scale
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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.