Home / 6,430.02-8,872.92-3,740.82

Finding the Fourth Proportional to 6,430.02, 8,872.92 and 3,740.82

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Solution

The fourth proportional to 6,430.02, 8,872.92 and 3,740.82 is: 5,162.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.02 : 8,872.92 = 3,740.82 : x
  2. Step 2: Convert to fraction form
    6,430.02/8,872.92 = 3,740.82/x
  3. Step 3: Cross multiply
    6,430.02x = 8,872.92 × 3,740.82
  4. Step 4: Simplify right side
    6,430.02x = 33,191,996.59
  5. Step 5: Solve for x
    x = 33,191,996.59/6,430.02
  6. Step 6: Final answer
    x = 5,162.04

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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.