Home / 8,289.56-11,439.60-4,563.56

Finding the Fourth Proportional to 8,289.56, 11,439.60 and 4,563.56

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Solution

The fourth proportional to 8,289.56, 11,439.60 and 4,563.56 is: 6,297.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.56 : 11,439.60 = 4,563.56 : x
  2. Step 2: Convert to fraction form
    8,289.56/11,439.60 = 4,563.56/x
  3. Step 3: Cross multiply
    8,289.56x = 11,439.60 × 4,563.56
  4. Step 4: Simplify right side
    8,289.56x = 52,205,312.46
  5. Step 5: Solve for x
    x = 52,205,312.46/8,289.56
  6. Step 6: Final answer
    x = 6,297.72

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1.5x scale

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.