Home / 5,921.15-8,875.47-1,971.35

Finding the Fourth Proportional to 5,921.15, 8,875.47 and 1,971.35

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Solution

The fourth proportional to 5,921.15, 8,875.47 and 1,971.35 is: 2,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.15 : 8,875.47 = 1,971.35 : x
  2. Step 2: Convert to fraction form
    5,921.15/8,875.47 = 1,971.35/x
  3. Step 3: Cross multiply
    5,921.15x = 8,875.47 × 1,971.35
  4. Step 4: Simplify right side
    5,921.15x = 17,496,654.08
  5. Step 5: Solve for x
    x = 17,496,654.08/5,921.15
  6. Step 6: Final answer
    x = 2,954.94

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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.