Home / 5,313.13-7,969.66-1,615.34

Finding the Fourth Proportional to 5,313.13, 7,969.66 and 1,615.34

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Solution

The fourth proportional to 5,313.13, 7,969.66 and 1,615.34 is: 2,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.13 : 7,969.66 = 1,615.34 : x
  2. Step 2: Convert to fraction form
    5,313.13/7,969.66 = 1,615.34/x
  3. Step 3: Cross multiply
    5,313.13x = 7,969.66 × 1,615.34
  4. Step 4: Simplify right side
    5,313.13x = 12,873,726.47
  5. Step 5: Solve for x
    x = 12,873,726.47/5,313.13
  6. Step 6: Final answer
    x = 2,423.00

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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.