Home / 5,507.81-8,259.97-1,809.18

Finding the Fourth Proportional to 5,507.81, 8,259.97 and 1,809.18

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Solution

The fourth proportional to 5,507.81, 8,259.97 and 1,809.18 is: 2,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.81 : 8,259.97 = 1,809.18 : x
  2. Step 2: Convert to fraction form
    5,507.81/8,259.97 = 1,809.18/x
  3. Step 3: Cross multiply
    5,507.81x = 8,259.97 × 1,809.18
  4. Step 4: Simplify right side
    5,507.81x = 14,943,722.18
  5. Step 5: Solve for x
    x = 14,943,722.18/5,507.81
  6. Step 6: Final answer
    x = 2,713.19

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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.