Home / 5,434.02-8,155.14-3,976.92

Finding the Fourth Proportional to 5,434.02, 8,155.14 and 3,976.92

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Solution

The fourth proportional to 5,434.02, 8,155.14 and 3,976.92 is: 5,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.02 : 8,155.14 = 3,976.92 : x
  2. Step 2: Convert to fraction form
    5,434.02/8,155.14 = 3,976.92/x
  3. Step 3: Cross multiply
    5,434.02x = 8,155.14 × 3,976.92
  4. Step 4: Simplify right side
    5,434.02x = 32,432,339.37
  5. Step 5: Solve for x
    x = 32,432,339.37/5,434.02
  6. Step 6: Final answer
    x = 5,968.39

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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.