Home / 6,957.15-10,421.80-4,182.31

Finding the Fourth Proportional to 6,957.15, 10,421.80 and 4,182.31

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Solution

The fourth proportional to 6,957.15, 10,421.80 and 4,182.31 is: 6,265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,957.15 : 10,421.80 = 4,182.31 : x
  2. Step 2: Convert to fraction form
    6,957.15/10,421.80 = 4,182.31/x
  3. Step 3: Cross multiply
    6,957.15x = 10,421.80 × 4,182.31
  4. Step 4: Simplify right side
    6,957.15x = 43,587,198.36
  5. Step 5: Solve for x
    x = 43,587,198.36/6,957.15
  6. Step 6: Final answer
    x = 6,265.09

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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.