Home / 5,317.17-7,975.76-1,807.53

Finding the Fourth Proportional to 5,317.17, 7,975.76 and 1,807.53

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Solution

The fourth proportional to 5,317.17, 7,975.76 and 1,807.53 is: 2,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.17 : 7,975.76 = 1,807.53 : x
  2. Step 2: Convert to fraction form
    5,317.17/7,975.76 = 1,807.53/x
  3. Step 3: Cross multiply
    5,317.17x = 7,975.76 × 1,807.53
  4. Step 4: Simplify right side
    5,317.17x = 14,416,416.44
  5. Step 5: Solve for x
    x = 14,416,416.44/5,317.17
  6. Step 6: Final answer
    x = 2,711.30

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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.