Home / 8,413.32-12,621.96-2,570.40

Finding the Fourth Proportional to 8,413.32, 12,621.96 and 2,570.40

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Solution

The fourth proportional to 8,413.32, 12,621.96 and 2,570.40 is: 3,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.32 : 12,621.96 = 2,570.40 : x
  2. Step 2: Convert to fraction form
    8,413.32/12,621.96 = 2,570.40/x
  3. Step 3: Cross multiply
    8,413.32x = 12,621.96 × 2,570.40
  4. Step 4: Simplify right side
    8,413.32x = 32,443,485.98
  5. Step 5: Solve for x
    x = 32,443,485.98/8,413.32
  6. Step 6: Final answer
    x = 3,856.20

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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.