Home / 6,990.52-9,636.58-4,472.36

Finding the Fourth Proportional to 6,990.52, 9,636.58 and 4,472.36

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Solution

The fourth proportional to 6,990.52, 9,636.58 and 4,472.36 is: 6,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.52 : 9,636.58 = 4,472.36 : x
  2. Step 2: Convert to fraction form
    6,990.52/9,636.58 = 4,472.36/x
  3. Step 3: Cross multiply
    6,990.52x = 9,636.58 × 4,472.36
  4. Step 4: Simplify right side
    6,990.52x = 43,098,254.93
  5. Step 5: Solve for x
    x = 43,098,254.93/6,990.52
  6. Step 6: Final answer
    x = 6,165.24

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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.