Home / 7,058.30-9,740.54-3,871.89

Finding the Fourth Proportional to 7,058.30, 9,740.54 and 3,871.89

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Solution

The fourth proportional to 7,058.30, 9,740.54 and 3,871.89 is: 5,343.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,058.30 : 9,740.54 = 3,871.89 : x
  2. Step 2: Convert to fraction form
    7,058.30/9,740.54 = 3,871.89/x
  3. Step 3: Cross multiply
    7,058.30x = 9,740.54 × 3,871.89
  4. Step 4: Simplify right side
    7,058.30x = 37,714,280.06
  5. Step 5: Solve for x
    x = 37,714,280.06/7,058.30
  6. Step 6: Final answer
    x = 5,343.26

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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.