Home / 5,152.13-7,109.87-2,913.93

Finding the Fourth Proportional to 5,152.13, 7,109.87 and 2,913.93

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Solution

The fourth proportional to 5,152.13, 7,109.87 and 2,913.93 is: 4,021.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.13 : 7,109.87 = 2,913.93 : x
  2. Step 2: Convert to fraction form
    5,152.13/7,109.87 = 2,913.93/x
  3. Step 3: Cross multiply
    5,152.13x = 7,109.87 × 2,913.93
  4. Step 4: Simplify right side
    5,152.13x = 20,717,663.49
  5. Step 5: Solve for x
    x = 20,717,663.49/5,152.13
  6. Step 6: Final answer
    x = 4,021.18

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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.