Home / 5,278.23-7,916.54-2,356.02

Finding the Fourth Proportional to 5,278.23, 7,916.54 and 2,356.02

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Solution

The fourth proportional to 5,278.23, 7,916.54 and 2,356.02 is: 3,533.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.23 : 7,916.54 = 2,356.02 : x
  2. Step 2: Convert to fraction form
    5,278.23/7,916.54 = 2,356.02/x
  3. Step 3: Cross multiply
    5,278.23x = 7,916.54 × 2,356.02
  4. Step 4: Simplify right side
    5,278.23x = 18,651,514.79
  5. Step 5: Solve for x
    x = 18,651,514.79/5,278.23
  6. Step 6: Final answer
    x = 3,533.67

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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.