Home / 5,313.82-7,969.11-4,271.35

Finding the Fourth Proportional to 5,313.82, 7,969.11 and 4,271.35

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Solution

The fourth proportional to 5,313.82, 7,969.11 and 4,271.35 is: 6,405.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.82 : 7,969.11 = 4,271.35 : x
  2. Step 2: Convert to fraction form
    5,313.82/7,969.11 = 4,271.35/x
  3. Step 3: Cross multiply
    5,313.82x = 7,969.11 × 4,271.35
  4. Step 4: Simplify right side
    5,313.82x = 34,038,858.00
  5. Step 5: Solve for x
    x = 34,038,858.00/5,313.82
  6. Step 6: Final answer
    x = 6,405.72

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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.