Home / 5,391.54-8,070.59-2,920.23

Finding the Fourth Proportional to 5,391.54, 8,070.59 and 2,920.23

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Solution

The fourth proportional to 5,391.54, 8,070.59 and 2,920.23 is: 4,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.54 : 8,070.59 = 2,920.23 : x
  2. Step 2: Convert to fraction form
    5,391.54/8,070.59 = 2,920.23/x
  3. Step 3: Cross multiply
    5,391.54x = 8,070.59 × 2,920.23
  4. Step 4: Simplify right side
    5,391.54x = 23,567,964.43
  5. Step 5: Solve for x
    x = 23,567,964.43/5,391.54
  6. Step 6: Final answer
    x = 4,371.29

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1.5x scale

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.