Home / 8,569.02-12,853.56-4,186.81

Finding the Fourth Proportional to 8,569.02, 12,853.56 and 4,186.81

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Solution

The fourth proportional to 8,569.02, 12,853.56 and 4,186.81 is: 6,280.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.02 : 12,853.56 = 4,186.81 : x
  2. Step 2: Convert to fraction form
    8,569.02/12,853.56 = 4,186.81/x
  3. Step 3: Cross multiply
    8,569.02x = 12,853.56 × 4,186.81
  4. Step 4: Simplify right side
    8,569.02x = 53,815,469.69
  5. Step 5: Solve for x
    x = 53,815,469.69/8,569.02
  6. Step 6: Final answer
    x = 6,280.24

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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.