Home / 5,313.93-7,971.81-1,616.53

Finding the Fourth Proportional to 5,313.93, 7,971.81 and 1,616.53

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Solution

The fourth proportional to 5,313.93, 7,971.81 and 1,616.53 is: 2,425.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.93 : 7,971.81 = 1,616.53 : x
  2. Step 2: Convert to fraction form
    5,313.93/7,971.81 = 1,616.53/x
  3. Step 3: Cross multiply
    5,313.93x = 7,971.81 × 1,616.53
  4. Step 4: Simplify right side
    5,313.93x = 12,886,670.02
  5. Step 5: Solve for x
    x = 12,886,670.02/5,313.93
  6. Step 6: Final answer
    x = 2,425.07

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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.