Home / 5,313.17-7,969.48-1,615.31

Finding the Fourth Proportional to 5,313.17, 7,969.48 and 1,615.31

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Solution

The fourth proportional to 5,313.17, 7,969.48 and 1,615.31 is: 2,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.17 : 7,969.48 = 1,615.31 : x
  2. Step 2: Convert to fraction form
    5,313.17/7,969.48 = 1,615.31/x
  3. Step 3: Cross multiply
    5,313.17x = 7,969.48 × 1,615.31
  4. Step 4: Simplify right side
    5,313.17x = 12,873,196.62
  5. Step 5: Solve for x
    x = 12,873,196.62/5,313.17
  6. Step 6: Final answer
    x = 2,422.89

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1.5x scale

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.