Home / 5,316.51-7,975.62-1,617.87

Finding the Fourth Proportional to 5,316.51, 7,975.62 and 1,617.87

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Solution

The fourth proportional to 5,316.51, 7,975.62 and 1,617.87 is: 2,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.51 : 7,975.62 = 1,617.87 : x
  2. Step 2: Convert to fraction form
    5,316.51/7,975.62 = 1,617.87/x
  3. Step 3: Cross multiply
    5,316.51x = 7,975.62 × 1,617.87
  4. Step 4: Simplify right side
    5,316.51x = 12,903,468.36
  5. Step 5: Solve for x
    x = 12,903,468.36/5,316.51
  6. Step 6: Final answer
    x = 2,427.06

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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.