Home / 7,409.34-11,114.10-2,478.96

Finding the Fourth Proportional to 7,409.34, 11,114.10 and 2,478.96

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Solution

The fourth proportional to 7,409.34, 11,114.10 and 2,478.96 is: 3,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.34 : 11,114.10 = 2,478.96 : x
  2. Step 2: Convert to fraction form
    7,409.34/11,114.10 = 2,478.96/x
  3. Step 3: Cross multiply
    7,409.34x = 11,114.10 × 2,478.96
  4. Step 4: Simplify right side
    7,409.34x = 27,551,409.34
  5. Step 5: Solve for x
    x = 27,551,409.34/7,409.34
  6. Step 6: Final answer
    x = 3,718.47

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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.