Home / 9,721.08-14,579.10-4,177.80

Finding the Fourth Proportional to 9,721.08, 14,579.10 and 4,177.80

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Solution

The fourth proportional to 9,721.08, 14,579.10 and 4,177.80 is: 6,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.08 : 14,579.10 = 4,177.80 : x
  2. Step 2: Convert to fraction form
    9,721.08/14,579.10 = 4,177.80/x
  3. Step 3: Cross multiply
    9,721.08x = 14,579.10 × 4,177.80
  4. Step 4: Simplify right side
    9,721.08x = 60,908,563.98
  5. Step 5: Solve for x
    x = 60,908,563.98/9,721.08
  6. Step 6: Final answer
    x = 6,265.62

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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.