Home / 4,817.76-6,646.62-2,800.84

Finding the Fourth Proportional to 4,817.76, 6,646.62 and 2,800.84

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Solution

The fourth proportional to 4,817.76, 6,646.62 and 2,800.84 is: 3,864.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.76 : 6,646.62 = 2,800.84 : x
  2. Step 2: Convert to fraction form
    4,817.76/6,646.62 = 2,800.84/x
  3. Step 3: Cross multiply
    4,817.76x = 6,646.62 × 2,800.84
  4. Step 4: Simplify right side
    4,817.76x = 18,616,085.93
  5. Step 5: Solve for x
    x = 18,616,085.93/4,817.76
  6. Step 6: Final answer
    x = 3,864.06

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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.