Home / 4,684.62-7,015.29-2,830.13

Finding the Fourth Proportional to 4,684.62, 7,015.29 and 2,830.13

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Solution

The fourth proportional to 4,684.62, 7,015.29 and 2,830.13 is: 4,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.62 : 7,015.29 = 2,830.13 : x
  2. Step 2: Convert to fraction form
    4,684.62/7,015.29 = 2,830.13/x
  3. Step 3: Cross multiply
    4,684.62x = 7,015.29 × 2,830.13
  4. Step 4: Simplify right side
    4,684.62x = 19,854,182.69
  5. Step 5: Solve for x
    x = 19,854,182.69/4,684.62
  6. Step 6: Final answer
    x = 4,238.16

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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.