Home / 5,319.63-7,979.44-1,423.93

Finding the Fourth Proportional to 5,319.63, 7,979.44 and 1,423.93

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Solution

The fourth proportional to 5,319.63, 7,979.44 and 1,423.93 is: 2,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.63 : 7,979.44 = 1,423.93 : x
  2. Step 2: Convert to fraction form
    5,319.63/7,979.44 = 1,423.93/x
  3. Step 3: Cross multiply
    5,319.63x = 7,979.44 × 1,423.93
  4. Step 4: Simplify right side
    5,319.63x = 11,362,164.00
  5. Step 5: Solve for x
    x = 11,362,164.00/5,319.63
  6. Step 6: Final answer
    x = 2,135.89

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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.