Home / 5,307.29-7,326.71-4,109.60

Finding the Fourth Proportional to 5,307.29, 7,326.71 and 4,109.60

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Solution

The fourth proportional to 5,307.29, 7,326.71 and 4,109.60 is: 5,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.29 : 7,326.71 = 4,109.60 : x
  2. Step 2: Convert to fraction form
    5,307.29/7,326.71 = 4,109.60/x
  3. Step 3: Cross multiply
    5,307.29x = 7,326.71 × 4,109.60
  4. Step 4: Simplify right side
    5,307.29x = 30,109,790.23
  5. Step 5: Solve for x
    x = 30,109,790.23/5,307.29
  6. Step 6: Final answer
    x = 5,673.29

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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.