Home / 8,871.57-13,312.51-3,328.77

Finding the Fourth Proportional to 8,871.57, 13,312.51 and 3,328.77

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Solution

The fourth proportional to 8,871.57, 13,312.51 and 3,328.77 is: 4,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.57 : 13,312.51 = 3,328.77 : x
  2. Step 2: Convert to fraction form
    8,871.57/13,312.51 = 3,328.77/x
  3. Step 3: Cross multiply
    8,871.57x = 13,312.51 × 3,328.77
  4. Step 4: Simplify right side
    8,871.57x = 44,314,283.91
  5. Step 5: Solve for x
    x = 44,314,283.91/8,871.57
  6. Step 6: Final answer
    x = 4,995.09

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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.