Home / 5,143.36-7,088.48-3,743.68

Finding the Fourth Proportional to 5,143.36, 7,088.48 and 3,743.68

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Solution

The fourth proportional to 5,143.36, 7,088.48 and 3,743.68 is: 5,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.36 : 7,088.48 = 3,743.68 : x
  2. Step 2: Convert to fraction form
    5,143.36/7,088.48 = 3,743.68/x
  3. Step 3: Cross multiply
    5,143.36x = 7,088.48 × 3,743.68
  4. Step 4: Simplify right side
    5,143.36x = 26,537,000.81
  5. Step 5: Solve for x
    x = 26,537,000.81/5,143.36
  6. Step 6: Final answer
    x = 5,159.47

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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.