Home / 8,924.42-12,315.80-4,945.54

Finding the Fourth Proportional to 8,924.42, 12,315.80 and 4,945.54

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Solution

The fourth proportional to 8,924.42, 12,315.80 and 4,945.54 is: 6,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.42 : 12,315.80 = 4,945.54 : x
  2. Step 2: Convert to fraction form
    8,924.42/12,315.80 = 4,945.54/x
  3. Step 3: Cross multiply
    8,924.42x = 12,315.80 × 4,945.54
  4. Step 4: Simplify right side
    8,924.42x = 60,908,281.53
  5. Step 5: Solve for x
    x = 60,908,281.53/8,924.42
  6. Step 6: Final answer
    x = 6,824.90

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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.