Home / 8,288.50-12,437.63-3,671.54

Finding the Fourth Proportional to 8,288.50, 12,437.63 and 3,671.54

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Solution

The fourth proportional to 8,288.50, 12,437.63 and 3,671.54 is: 5,509.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.50 : 12,437.63 = 3,671.54 : x
  2. Step 2: Convert to fraction form
    8,288.50/12,437.63 = 3,671.54/x
  3. Step 3: Cross multiply
    8,288.50x = 12,437.63 × 3,671.54
  4. Step 4: Simplify right side
    8,288.50x = 45,665,256.05
  5. Step 5: Solve for x
    x = 45,665,256.05/8,288.50
  6. Step 6: Final answer
    x = 5,509.47

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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.