Home / 7,275.36-10,916.64-3,379.08

Finding the Fourth Proportional to 7,275.36, 10,916.64 and 3,379.08

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Solution

The fourth proportional to 7,275.36, 10,916.64 and 3,379.08 is: 5,070.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.36 : 10,916.64 = 3,379.08 : x
  2. Step 2: Convert to fraction form
    7,275.36/10,916.64 = 3,379.08/x
  3. Step 3: Cross multiply
    7,275.36x = 10,916.64 × 3,379.08
  4. Step 4: Simplify right side
    7,275.36x = 36,888,199.89
  5. Step 5: Solve for x
    x = 36,888,199.89/7,275.36
  6. Step 6: Final answer
    x = 5,070.29

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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.