Home / 7,409.49-11,114.45-3,247.35

Finding the Fourth Proportional to 7,409.49, 11,114.45 and 3,247.35

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Solution

The fourth proportional to 7,409.49, 11,114.45 and 3,247.35 is: 4,871.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.49 : 11,114.45 = 3,247.35 : x
  2. Step 2: Convert to fraction form
    7,409.49/11,114.45 = 3,247.35/x
  3. Step 3: Cross multiply
    7,409.49x = 11,114.45 × 3,247.35
  4. Step 4: Simplify right side
    7,409.49x = 36,092,509.21
  5. Step 5: Solve for x
    x = 36,092,509.21/7,409.49
  6. Step 6: Final answer
    x = 4,871.12

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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.