Home / 6,271.87-8,648.09-4,000.18

Finding the Fourth Proportional to 6,271.87, 8,648.09 and 4,000.18

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Solution

The fourth proportional to 6,271.87, 8,648.09 and 4,000.18 is: 5,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.87 : 8,648.09 = 4,000.18 : x
  2. Step 2: Convert to fraction form
    6,271.87/8,648.09 = 4,000.18/x
  3. Step 3: Cross multiply
    6,271.87x = 8,648.09 × 4,000.18
  4. Step 4: Simplify right side
    6,271.87x = 34,593,868.42
  5. Step 5: Solve for x
    x = 34,593,868.42/6,271.87
  6. Step 6: Final answer
    x = 5,515.72

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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.