Home / 5,320.41-7,980.31-2,358.00

Finding the Fourth Proportional to 5,320.41, 7,980.31 and 2,358.00

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Solution

The fourth proportional to 5,320.41, 7,980.31 and 2,358.00 is: 3,536.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.41 : 7,980.31 = 2,358.00 : x
  2. Step 2: Convert to fraction form
    5,320.41/7,980.31 = 2,358.00/x
  3. Step 3: Cross multiply
    5,320.41x = 7,980.31 × 2,358.00
  4. Step 4: Simplify right side
    5,320.41x = 18,817,519.29
  5. Step 5: Solve for x
    x = 18,817,519.29/5,320.41
  6. Step 6: Final answer
    x = 3,536.86

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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.