Home / 8,340.48-12,479.40-4,996.44

Finding the Fourth Proportional to 8,340.48, 12,479.40 and 4,996.44

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Solution

The fourth proportional to 8,340.48, 12,479.40 and 4,996.44 is: 7,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.48 : 12,479.40 = 4,996.44 : x
  2. Step 2: Convert to fraction form
    8,340.48/12,479.40 = 4,996.44/x
  3. Step 3: Cross multiply
    8,340.48x = 12,479.40 × 4,996.44
  4. Step 4: Simplify right side
    8,340.48x = 62,352,573.34
  5. Step 5: Solve for x
    x = 62,352,573.34/8,340.48
  6. Step 6: Final answer
    x = 7,475.90

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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.