Home / 8,405.33-12,595.66-5,110.47

Finding the Fourth Proportional to 8,405.33, 12,595.66 and 5,110.47

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Solution

The fourth proportional to 8,405.33, 12,595.66 and 5,110.47 is: 7,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405.33 : 12,595.66 = 5,110.47 : x
  2. Step 2: Convert to fraction form
    8,405.33/12,595.66 = 5,110.47/x
  3. Step 3: Cross multiply
    8,405.33x = 12,595.66 × 5,110.47
  4. Step 4: Simplify right side
    8,405.33x = 64,369,729.78
  5. Step 5: Solve for x
    x = 64,369,729.78/8,405.33
  6. Step 6: Final answer
    x = 7,658.21

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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.