Home / 5,206.81-7,809.99-1,508.96

Finding the Fourth Proportional to 5,206.81, 7,809.99 and 1,508.96

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Solution

The fourth proportional to 5,206.81, 7,809.99 and 1,508.96 is: 2,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.81 : 7,809.99 = 1,508.96 : x
  2. Step 2: Convert to fraction form
    5,206.81/7,809.99 = 1,508.96/x
  3. Step 3: Cross multiply
    5,206.81x = 7,809.99 × 1,508.96
  4. Step 4: Simplify right side
    5,206.81x = 11,784,962.51
  5. Step 5: Solve for x
    x = 11,784,962.51/5,206.81
  6. Step 6: Final answer
    x = 2,263.37

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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.