Home / 4,307.62-6,448.66-2,658.86

Finding the Fourth Proportional to 4,307.62, 6,448.66 and 2,658.86

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Solution

The fourth proportional to 4,307.62, 6,448.66 and 2,658.86 is: 3,980.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.62 : 6,448.66 = 2,658.86 : x
  2. Step 2: Convert to fraction form
    4,307.62/6,448.66 = 2,658.86/x
  3. Step 3: Cross multiply
    4,307.62x = 6,448.66 × 2,658.86
  4. Step 4: Simplify right side
    4,307.62x = 17,146,084.13
  5. Step 5: Solve for x
    x = 17,146,084.13/4,307.62
  6. Step 6: Final answer
    x = 3,980.41

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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.