Home / 4,455.86-6,147.14-2,686.46

Finding the Fourth Proportional to 4,455.86, 6,147.14 and 2,686.46

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Solution

The fourth proportional to 4,455.86, 6,147.14 and 2,686.46 is: 3,706.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.86 : 6,147.14 = 2,686.46 : x
  2. Step 2: Convert to fraction form
    4,455.86/6,147.14 = 2,686.46/x
  3. Step 3: Cross multiply
    4,455.86x = 6,147.14 × 2,686.46
  4. Step 4: Simplify right side
    4,455.86x = 16,514,045.72
  5. Step 5: Solve for x
    x = 16,514,045.72/4,455.86
  6. Step 6: Final answer
    x = 3,706.14

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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.