Home / 9,872.20-14,803.26-2,945.80

Finding the Fourth Proportional to 9,872.20, 14,803.26 and 2,945.80

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Solution

The fourth proportional to 9,872.20, 14,803.26 and 2,945.80 is: 4,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.20 : 14,803.26 = 2,945.80 : x
  2. Step 2: Convert to fraction form
    9,872.20/14,803.26 = 2,945.80/x
  3. Step 3: Cross multiply
    9,872.20x = 14,803.26 × 2,945.80
  4. Step 4: Simplify right side
    9,872.20x = 43,607,443.31
  5. Step 5: Solve for x
    x = 43,607,443.31/9,872.20
  6. Step 6: Final answer
    x = 4,417.20

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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.