Home / 8,409.02-12,594.39-5,114.85

Finding the Fourth Proportional to 8,409.02, 12,594.39 and 5,114.85

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Solution

The fourth proportional to 8,409.02, 12,594.39 and 5,114.85 is: 7,660.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.02 : 12,594.39 = 5,114.85 : x
  2. Step 2: Convert to fraction form
    8,409.02/12,594.39 = 5,114.85/x
  3. Step 3: Cross multiply
    8,409.02x = 12,594.39 × 5,114.85
  4. Step 4: Simplify right side
    8,409.02x = 64,418,349.28
  5. Step 5: Solve for x
    x = 64,418,349.28/8,409.02
  6. Step 6: Final answer
    x = 7,660.63

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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.