Home / 4,981.86-6,870.45-4,092.42

Finding the Fourth Proportional to 4,981.86, 6,870.45 and 4,092.42

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Solution

The fourth proportional to 4,981.86, 6,870.45 and 4,092.42 is: 5,643.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.86 : 6,870.45 = 4,092.42 : x
  2. Step 2: Convert to fraction form
    4,981.86/6,870.45 = 4,092.42/x
  3. Step 3: Cross multiply
    4,981.86x = 6,870.45 × 4,092.42
  4. Step 4: Simplify right side
    4,981.86x = 28,116,766.99
  5. Step 5: Solve for x
    x = 28,116,766.99/4,981.86
  6. Step 6: Final answer
    x = 5,643.83

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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.