Home / 5,089.10-7,631.26-1,970.58

Finding the Fourth Proportional to 5,089.10, 7,631.26 and 1,970.58

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Solution

The fourth proportional to 5,089.10, 7,631.26 and 1,970.58 is: 2,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.10 : 7,631.26 = 1,970.58 : x
  2. Step 2: Convert to fraction form
    5,089.10/7,631.26 = 1,970.58/x
  3. Step 3: Cross multiply
    5,089.10x = 7,631.26 × 1,970.58
  4. Step 4: Simplify right side
    5,089.10x = 15,038,008.33
  5. Step 5: Solve for x
    x = 15,038,008.33/5,089.10
  6. Step 6: Final answer
    x = 2,954.94

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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.