Home / 5,612.70-8,413.65-4,362.60

Finding the Fourth Proportional to 5,612.70, 8,413.65 and 4,362.60

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Solution

The fourth proportional to 5,612.70, 8,413.65 and 4,362.60 is: 6,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.70 : 8,413.65 = 4,362.60 : x
  2. Step 2: Convert to fraction form
    5,612.70/8,413.65 = 4,362.60/x
  3. Step 3: Cross multiply
    5,612.70x = 8,413.65 × 4,362.60
  4. Step 4: Simplify right side
    5,612.70x = 36,705,389.49
  5. Step 5: Solve for x
    x = 36,705,389.49/5,612.70
  6. Step 6: Final answer
    x = 6,539.70

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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.