Home / 4,678.56-7,017.59-2,829.18

Finding the Fourth Proportional to 4,678.56, 7,017.59 and 2,829.18

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Solution

The fourth proportional to 4,678.56, 7,017.59 and 2,829.18 is: 4,243.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.56 : 7,017.59 = 2,829.18 : x
  2. Step 2: Convert to fraction form
    4,678.56/7,017.59 = 2,829.18/x
  3. Step 3: Cross multiply
    4,678.56x = 7,017.59 × 2,829.18
  4. Step 4: Simplify right side
    4,678.56x = 19,854,003.28
  5. Step 5: Solve for x
    x = 19,854,003.28/4,678.56
  6. Step 6: Final answer
    x = 4,243.61

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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.