Home / 6,658.05-9,985.35-1,976.95

Finding the Fourth Proportional to 6,658.05, 9,985.35 and 1,976.95

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Solution

The fourth proportional to 6,658.05, 9,985.35 and 1,976.95 is: 2,964.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.05 : 9,985.35 = 1,976.95 : x
  2. Step 2: Convert to fraction form
    6,658.05/9,985.35 = 1,976.95/x
  3. Step 3: Cross multiply
    6,658.05x = 9,985.35 × 1,976.95
  4. Step 4: Simplify right side
    6,658.05x = 19,740,487.76
  5. Step 5: Solve for x
    x = 19,740,487.76/6,658.05
  6. Step 6: Final answer
    x = 2,964.91

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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.