Home / 8,417.86-11,616.12-4,640.83

Finding the Fourth Proportional to 8,417.86, 11,616.12 and 4,640.83

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Solution

The fourth proportional to 8,417.86, 11,616.12 and 4,640.83 is: 6,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.86 : 11,616.12 = 4,640.83 : x
  2. Step 2: Convert to fraction form
    8,417.86/11,616.12 = 4,640.83/x
  3. Step 3: Cross multiply
    8,417.86x = 11,616.12 × 4,640.83
  4. Step 4: Simplify right side
    8,417.86x = 53,908,438.18
  5. Step 5: Solve for x
    x = 53,908,438.18/8,417.86
  6. Step 6: Final answer
    x = 6,404.05

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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.