Home / 6,927.65-10,389.42-2,545.45

Finding the Fourth Proportional to 6,927.65, 10,389.42 and 2,545.45

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Solution

The fourth proportional to 6,927.65, 10,389.42 and 2,545.45 is: 3,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.65 : 10,389.42 = 2,545.45 : x
  2. Step 2: Convert to fraction form
    6,927.65/10,389.42 = 2,545.45/x
  3. Step 3: Cross multiply
    6,927.65x = 10,389.42 × 2,545.45
  4. Step 4: Simplify right side
    6,927.65x = 26,445,749.14
  5. Step 5: Solve for x
    x = 26,445,749.14/6,927.65
  6. Step 6: Final answer
    x = 3,817.42

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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.