Home / 5,313.08-7,969.08-1,615.34

Finding the Fourth Proportional to 5,313.08, 7,969.08 and 1,615.34

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Solution

The fourth proportional to 5,313.08, 7,969.08 and 1,615.34 is: 2,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.08 : 7,969.08 = 1,615.34 : x
  2. Step 2: Convert to fraction form
    5,313.08/7,969.08 = 1,615.34/x
  3. Step 3: Cross multiply
    5,313.08x = 7,969.08 × 1,615.34
  4. Step 4: Simplify right side
    5,313.08x = 12,872,733.84
  5. Step 5: Solve for x
    x = 12,872,733.84/5,313.08
  6. Step 6: Final answer
    x = 2,422.84

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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.