Home / 5,219.10-7,829.31-1,932.23

Finding the Fourth Proportional to 5,219.10, 7,829.31 and 1,932.23

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Solution

The fourth proportional to 5,219.10, 7,829.31 and 1,932.23 is: 2,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.10 : 7,829.31 = 1,932.23 : x
  2. Step 2: Convert to fraction form
    5,219.10/7,829.31 = 1,932.23/x
  3. Step 3: Cross multiply
    5,219.10x = 7,829.31 × 1,932.23
  4. Step 4: Simplify right side
    5,219.10x = 15,127,988.51
  5. Step 5: Solve for x
    x = 15,127,988.51/5,219.10
  6. Step 6: Final answer
    x = 2,898.58

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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.