Home / 8,197.04-12,285.84-4,727.12

Finding the Fourth Proportional to 8,197.04, 12,285.84 and 4,727.12

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Solution

The fourth proportional to 8,197.04, 12,285.84 and 4,727.12 is: 7,085.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197.04 : 12,285.84 = 4,727.12 : x
  2. Step 2: Convert to fraction form
    8,197.04/12,285.84 = 4,727.12/x
  3. Step 3: Cross multiply
    8,197.04x = 12,285.84 × 4,727.12
  4. Step 4: Simplify right side
    8,197.04x = 58,076,639.98
  5. Step 5: Solve for x
    x = 58,076,639.98/8,197.04
  6. Step 6: Final answer
    x = 7,085.07

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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.