Home / 5,881.36-8,823.30-1,985.72

Finding the Fourth Proportional to 5,881.36, 8,823.30 and 1,985.72

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Solution

The fourth proportional to 5,881.36, 8,823.30 and 1,985.72 is: 2,979.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.36 : 8,823.30 = 1,985.72 : x
  2. Step 2: Convert to fraction form
    5,881.36/8,823.30 = 1,985.72/x
  3. Step 3: Cross multiply
    5,881.36x = 8,823.30 × 1,985.72
  4. Step 4: Simplify right side
    5,881.36x = 17,520,603.28
  5. Step 5: Solve for x
    x = 17,520,603.28/5,881.36
  6. Step 6: Final answer
    x = 2,979.01

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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.