Home / 6,271.20-9,407.46-2,111.70

Finding the Fourth Proportional to 6,271.20, 9,407.46 and 2,111.70

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Solution

The fourth proportional to 6,271.20, 9,407.46 and 2,111.70 is: 3,167.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.20 : 9,407.46 = 2,111.70 : x
  2. Step 2: Convert to fraction form
    6,271.20/9,407.46 = 2,111.70/x
  3. Step 3: Cross multiply
    6,271.20x = 9,407.46 × 2,111.70
  4. Step 4: Simplify right side
    6,271.20x = 19,865,733.28
  5. Step 5: Solve for x
    x = 19,865,733.28/6,271.20
  6. Step 6: Final answer
    x = 3,167.77

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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.