Home / 4,678.81-7,018.52-1,559.11

Finding the Fourth Proportional to 4,678.81, 7,018.52 and 1,559.11

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Solution

The fourth proportional to 4,678.81, 7,018.52 and 1,559.11 is: 2,338.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.81 : 7,018.52 = 1,559.11 : x
  2. Step 2: Convert to fraction form
    4,678.81/7,018.52 = 1,559.11/x
  3. Step 3: Cross multiply
    4,678.81x = 7,018.52 × 1,559.11
  4. Step 4: Simplify right side
    4,678.81x = 10,942,655.56
  5. Step 5: Solve for x
    x = 10,942,655.56/4,678.81
  6. Step 6: Final answer
    x = 2,338.77

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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.