Home / 5,094.64-7,639.80-1,808.56

Finding the Fourth Proportional to 5,094.64, 7,639.80 and 1,808.56

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Solution

The fourth proportional to 5,094.64, 7,639.80 and 1,808.56 is: 2,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,094.64 : 7,639.80 = 1,808.56 : x
  2. Step 2: Convert to fraction form
    5,094.64/7,639.80 = 1,808.56/x
  3. Step 3: Cross multiply
    5,094.64x = 7,639.80 × 1,808.56
  4. Step 4: Simplify right side
    5,094.64x = 13,817,036.69
  5. Step 5: Solve for x
    x = 13,817,036.69/5,094.64
  6. Step 6: Final answer
    x = 2,712.07

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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.