Home / 8,330.10-12,509.55-4,442.10

Finding the Fourth Proportional to 8,330.10, 12,509.55 and 4,442.10

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Solution

The fourth proportional to 8,330.10, 12,509.55 and 4,442.10 is: 6,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.10 : 12,509.55 = 4,442.10 : x
  2. Step 2: Convert to fraction form
    8,330.10/12,509.55 = 4,442.10/x
  3. Step 3: Cross multiply
    8,330.10x = 12,509.55 × 4,442.10
  4. Step 4: Simplify right side
    8,330.10x = 55,568,672.06
  5. Step 5: Solve for x
    x = 55,568,672.06/8,330.10
  6. Step 6: Final answer
    x = 6,670.83

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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.