Home / 5,317.29-7,980.39-4,702.50

Finding the Fourth Proportional to 5,317.29, 7,980.39 and 4,702.50

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Solution

The fourth proportional to 5,317.29, 7,980.39 and 4,702.50 is: 7,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.29 : 7,980.39 = 4,702.50 : x
  2. Step 2: Convert to fraction form
    5,317.29/7,980.39 = 4,702.50/x
  3. Step 3: Cross multiply
    5,317.29x = 7,980.39 × 4,702.50
  4. Step 4: Simplify right side
    5,317.29x = 37,527,783.98
  5. Step 5: Solve for x
    x = 37,527,783.98/5,317.29
  6. Step 6: Final answer
    x = 7,057.69

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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.