Home / 8,455.53-12,683.61-2,908.83

Finding the Fourth Proportional to 8,455.53, 12,683.61 and 2,908.83

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Solution

The fourth proportional to 8,455.53, 12,683.61 and 2,908.83 is: 4,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.53 : 12,683.61 = 2,908.83 : x
  2. Step 2: Convert to fraction form
    8,455.53/12,683.61 = 2,908.83/x
  3. Step 3: Cross multiply
    8,455.53x = 12,683.61 × 2,908.83
  4. Step 4: Simplify right side
    8,455.53x = 36,894,465.28
  5. Step 5: Solve for x
    x = 36,894,465.28/8,455.53
  6. Step 6: Final answer
    x = 4,363.35

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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.