Home / 7,909.33-10,916.39-5,080.28

Finding the Fourth Proportional to 7,909.33, 10,916.39 and 5,080.28

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Solution

The fourth proportional to 7,909.33, 10,916.39 and 5,080.28 is: 7,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.33 : 10,916.39 = 5,080.28 : x
  2. Step 2: Convert to fraction form
    7,909.33/10,916.39 = 5,080.28/x
  3. Step 3: Cross multiply
    7,909.33x = 10,916.39 × 5,080.28
  4. Step 4: Simplify right side
    7,909.33x = 55,458,317.79
  5. Step 5: Solve for x
    x = 55,458,317.79/7,909.33
  6. Step 6: Final answer
    x = 7,011.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.