Home / 6,191.55-9,288.87-1,809.06

Finding the Fourth Proportional to 6,191.55, 9,288.87 and 1,809.06

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Solution

The fourth proportional to 6,191.55, 9,288.87 and 1,809.06 is: 2,714.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.55 : 9,288.87 = 1,809.06 : x
  2. Step 2: Convert to fraction form
    6,191.55/9,288.87 = 1,809.06/x
  3. Step 3: Cross multiply
    6,191.55x = 9,288.87 × 1,809.06
  4. Step 4: Simplify right side
    6,191.55x = 16,804,123.16
  5. Step 5: Solve for x
    x = 16,804,123.16/6,191.55
  6. Step 6: Final answer
    x = 2,714.04

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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.