Home / 6,109.70-9,156.45-5,413.10

Finding the Fourth Proportional to 6,109.70, 9,156.45 and 5,413.10

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Solution

The fourth proportional to 6,109.70, 9,156.45 and 5,413.10 is: 8,112.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.70 : 9,156.45 = 5,413.10 : x
  2. Step 2: Convert to fraction form
    6,109.70/9,156.45 = 5,413.10/x
  3. Step 3: Cross multiply
    6,109.70x = 9,156.45 × 5,413.10
  4. Step 4: Simplify right side
    6,109.70x = 49,564,779.50
  5. Step 5: Solve for x
    x = 49,564,779.50/6,109.70
  6. Step 6: Final answer
    x = 8,112.47

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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.