Home / 7,442.30-10,270.42-4,085.26

Finding the Fourth Proportional to 7,442.30, 10,270.42 and 4,085.26

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Solution

The fourth proportional to 7,442.30, 10,270.42 and 4,085.26 is: 5,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.30 : 10,270.42 = 4,085.26 : x
  2. Step 2: Convert to fraction form
    7,442.30/10,270.42 = 4,085.26/x
  3. Step 3: Cross multiply
    7,442.30x = 10,270.42 × 4,085.26
  4. Step 4: Simplify right side
    7,442.30x = 41,957,336.01
  5. Step 5: Solve for x
    x = 41,957,336.01/7,442.30
  6. Step 6: Final answer
    x = 5,637.68

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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.