Home / 6,639.06-9,957.27-4,260.11

Finding the Fourth Proportional to 6,639.06, 9,957.27 and 4,260.11

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Solution

The fourth proportional to 6,639.06, 9,957.27 and 4,260.11 is: 6,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.06 : 9,957.27 = 4,260.11 : x
  2. Step 2: Convert to fraction form
    6,639.06/9,957.27 = 4,260.11/x
  3. Step 3: Cross multiply
    6,639.06x = 9,957.27 × 4,260.11
  4. Step 4: Simplify right side
    6,639.06x = 42,419,050.36
  5. Step 5: Solve for x
    x = 42,419,050.36/6,639.06
  6. Step 6: Final answer
    x = 6,389.31

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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.