Home / 7,439.02-11,143.34-4,153.86

Finding the Fourth Proportional to 7,439.02, 11,143.34 and 4,153.86

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Solution

The fourth proportional to 7,439.02, 11,143.34 and 4,153.86 is: 6,222.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.02 : 11,143.34 = 4,153.86 : x
  2. Step 2: Convert to fraction form
    7,439.02/11,143.34 = 4,153.86/x
  3. Step 3: Cross multiply
    7,439.02x = 11,143.34 × 4,153.86
  4. Step 4: Simplify right side
    7,439.02x = 46,287,874.29
  5. Step 5: Solve for x
    x = 46,287,874.29/7,439.02
  6. Step 6: Final answer
    x = 6,222.31

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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.