Home / 6,612.63-9,125.43-3,818.13

Finding the Fourth Proportional to 6,612.63, 9,125.43 and 3,818.13

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Solution

The fourth proportional to 6,612.63, 9,125.43 and 3,818.13 is: 5,269.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.63 : 9,125.43 = 3,818.13 : x
  2. Step 2: Convert to fraction form
    6,612.63/9,125.43 = 3,818.13/x
  3. Step 3: Cross multiply
    6,612.63x = 9,125.43 × 3,818.13
  4. Step 4: Simplify right side
    6,612.63x = 34,842,078.05
  5. Step 5: Solve for x
    x = 34,842,078.05/6,612.63
  6. Step 6: Final answer
    x = 5,269.02

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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.