Home / 5,313.36-7,969.81-1,417.77

Finding the Fourth Proportional to 5,313.36, 7,969.81 and 1,417.77

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Solution

The fourth proportional to 5,313.36, 7,969.81 and 1,417.77 is: 2,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.36 : 7,969.81 = 1,417.77 : x
  2. Step 2: Convert to fraction form
    5,313.36/7,969.81 = 1,417.77/x
  3. Step 3: Cross multiply
    5,313.36x = 7,969.81 × 1,417.77
  4. Step 4: Simplify right side
    5,313.36x = 11,299,357.52
  5. Step 5: Solve for x
    x = 11,299,357.52/5,313.36
  6. Step 6: Final answer
    x = 2,126.59

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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.