Home / 8,790.50-12,130.90-5,996

Finding the Fourth Proportional to 8,790.50, 12,130.90 and 5,996

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Solution

The fourth proportional to 8,790.50, 12,130.90 and 5,996 is: 8,274.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.50 : 12,130.90 = 5,996 : x
  2. Step 2: Convert to fraction form
    8,790.50/12,130.90 = 5,996/x
  3. Step 3: Cross multiply
    8,790.50x = 12,130.90 × 5,996
  4. Step 4: Simplify right side
    8,790.50x = 72,736,876.40
  5. Step 5: Solve for x
    x = 72,736,876.40/8,790.50
  6. Step 6: Final answer
    x = 8,274.49

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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.