Home / 8,374.05-12,556.96-4,152.40

Finding the Fourth Proportional to 8,374.05, 12,556.96 and 4,152.40

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Solution

The fourth proportional to 8,374.05, 12,556.96 and 4,152.40 is: 6,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.05 : 12,556.96 = 4,152.40 : x
  2. Step 2: Convert to fraction form
    8,374.05/12,556.96 = 4,152.40/x
  3. Step 3: Cross multiply
    8,374.05x = 12,556.96 × 4,152.40
  4. Step 4: Simplify right side
    8,374.05x = 52,141,478.93
  5. Step 5: Solve for x
    x = 52,141,478.93/8,374.05
  6. Step 6: Final answer
    x = 6,226.55

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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.