Home / 5,678.10-8,510.47-2,554.44

Finding the Fourth Proportional to 5,678.10, 8,510.47 and 2,554.44

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Solution

The fourth proportional to 5,678.10, 8,510.47 and 2,554.44 is: 3,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.10 : 8,510.47 = 2,554.44 : x
  2. Step 2: Convert to fraction form
    5,678.10/8,510.47 = 2,554.44/x
  3. Step 3: Cross multiply
    5,678.10x = 8,510.47 × 2,554.44
  4. Step 4: Simplify right side
    5,678.10x = 21,739,446.69
  5. Step 5: Solve for x
    x = 21,739,446.69/5,678.10
  6. Step 6: Final answer
    x = 3,828.65

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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.