Home / 6,318.42-8,722.05-4,502.58

Finding the Fourth Proportional to 6,318.42, 8,722.05 and 4,502.58

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Solution

The fourth proportional to 6,318.42, 8,722.05 and 4,502.58 is: 6,215.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.42 : 8,722.05 = 4,502.58 : x
  2. Step 2: Convert to fraction form
    6,318.42/8,722.05 = 4,502.58/x
  3. Step 3: Cross multiply
    6,318.42x = 8,722.05 × 4,502.58
  4. Step 4: Simplify right side
    6,318.42x = 39,271,727.89
  5. Step 5: Solve for x
    x = 39,271,727.89/6,318.42
  6. Step 6: Final answer
    x = 6,215.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.