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Finding the Fourth Proportional to 5,318.02, 7,976.04 and 1,569.00

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Solution

The fourth proportional to 5,318.02, 7,976.04 and 1,569.00 is: 2,353.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.02 : 7,976.04 = 1,569.00 : x
  2. Step 2: Convert to fraction form
    5,318.02/7,976.04 = 1,569.00/x
  3. Step 3: Cross multiply
    5,318.02x = 7,976.04 × 1,569.00
  4. Step 4: Simplify right side
    5,318.02x = 12,514,430.79
  5. Step 5: Solve for x
    x = 12,514,430.79/5,318.02
  6. Step 6: Final answer
    x = 2,353.21

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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.