Home / 8,569.35-12,835.80-5,616.90

Finding the Fourth Proportional to 8,569.35, 12,835.80 and 5,616.90

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Solution

The fourth proportional to 8,569.35, 12,835.80 and 5,616.90 is: 8,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.35 : 12,835.80 = 5,616.90 : x
  2. Step 2: Convert to fraction form
    8,569.35/12,835.80 = 5,616.90/x
  3. Step 3: Cross multiply
    8,569.35x = 12,835.80 × 5,616.90
  4. Step 4: Simplify right side
    8,569.35x = 72,097,405.02
  5. Step 5: Solve for x
    x = 72,097,405.02/8,569.35
  6. Step 6: Final answer
    x = 8,413.40

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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.