Home / 5,989.10-8,999.85-5,276.30

Finding the Fourth Proportional to 5,989.10, 8,999.85 and 5,276.30

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Solution

The fourth proportional to 5,989.10, 8,999.85 and 5,276.30 is: 7,928.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989.10 : 8,999.85 = 5,276.30 : x
  2. Step 2: Convert to fraction form
    5,989.10/8,999.85 = 5,276.30/x
  3. Step 3: Cross multiply
    5,989.10x = 8,999.85 × 5,276.30
  4. Step 4: Simplify right side
    5,989.10x = 47,485,908.56
  5. Step 5: Solve for x
    x = 47,485,908.56/5,989.10
  6. Step 6: Final answer
    x = 7,928.72

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1.5x scale

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.