Home / 5,095.81-7,644.86-1,808.90

Finding the Fourth Proportional to 5,095.81, 7,644.86 and 1,808.90

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Solution

The fourth proportional to 5,095.81, 7,644.86 and 1,808.90 is: 2,713.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.81 : 7,644.86 = 1,808.90 : x
  2. Step 2: Convert to fraction form
    5,095.81/7,644.86 = 1,808.90/x
  3. Step 3: Cross multiply
    5,095.81x = 7,644.86 × 1,808.90
  4. Step 4: Simplify right side
    5,095.81x = 13,828,775.44
  5. Step 5: Solve for x
    x = 13,828,775.44/5,095.81
  6. Step 6: Final answer
    x = 2,713.76

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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.