Home / 5,030.21-6,942.31-2,905.74

Finding the Fourth Proportional to 5,030.21, 6,942.31 and 2,905.74

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Solution

The fourth proportional to 5,030.21, 6,942.31 and 2,905.74 is: 4,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.21 : 6,942.31 = 2,905.74 : x
  2. Step 2: Convert to fraction form
    5,030.21/6,942.31 = 2,905.74/x
  3. Step 3: Cross multiply
    5,030.21x = 6,942.31 × 2,905.74
  4. Step 4: Simplify right side
    5,030.21x = 20,172,540.60
  5. Step 5: Solve for x
    x = 20,172,540.60/5,030.21
  6. Step 6: Final answer
    x = 4,010.28

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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.