Home / 5,156.18-7,115.73-4,413.14

Finding the Fourth Proportional to 5,156.18, 7,115.73 and 4,413.14

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Solution

The fourth proportional to 5,156.18, 7,115.73 and 4,413.14 is: 6,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.18 : 7,115.73 = 4,413.14 : x
  2. Step 2: Convert to fraction form
    5,156.18/7,115.73 = 4,413.14/x
  3. Step 3: Cross multiply
    5,156.18x = 7,115.73 × 4,413.14
  4. Step 4: Simplify right side
    5,156.18x = 31,402,712.69
  5. Step 5: Solve for x
    x = 31,402,712.69/5,156.18
  6. Step 6: Final answer
    x = 6,090.31

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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.