Home / 8,392.24-12,587.46-3,948.58

Finding the Fourth Proportional to 8,392.24, 12,587.46 and 3,948.58

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Solution

The fourth proportional to 8,392.24, 12,587.46 and 3,948.58 is: 5,922.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.24 : 12,587.46 = 3,948.58 : x
  2. Step 2: Convert to fraction form
    8,392.24/12,587.46 = 3,948.58/x
  3. Step 3: Cross multiply
    8,392.24x = 12,587.46 × 3,948.58
  4. Step 4: Simplify right side
    8,392.24x = 49,702,592.81
  5. Step 5: Solve for x
    x = 49,702,592.81/8,392.24
  6. Step 6: Final answer
    x = 5,922.45

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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.