Home / 4,068.84-6,103.55-1,990.57

Finding the Fourth Proportional to 4,068.84, 6,103.55 and 1,990.57

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Solution

The fourth proportional to 4,068.84, 6,103.55 and 1,990.57 is: 2,986.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,068.84 : 6,103.55 = 1,990.57 : x
  2. Step 2: Convert to fraction form
    4,068.84/6,103.55 = 1,990.57/x
  3. Step 3: Cross multiply
    4,068.84x = 6,103.55 × 1,990.57
  4. Step 4: Simplify right side
    4,068.84x = 12,149,543.52
  5. Step 5: Solve for x
    x = 12,149,543.52/4,068.84
  6. Step 6: Final answer
    x = 2,986.00

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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.