Home / 7,639.34-11,450.91-4,857.26

Finding the Fourth Proportional to 7,639.34, 11,450.91 and 4,857.26

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Solution

The fourth proportional to 7,639.34, 11,450.91 and 4,857.26 is: 7,280.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.34 : 11,450.91 = 4,857.26 : x
  2. Step 2: Convert to fraction form
    7,639.34/11,450.91 = 4,857.26/x
  3. Step 3: Cross multiply
    7,639.34x = 11,450.91 × 4,857.26
  4. Step 4: Simplify right side
    7,639.34x = 55,620,047.11
  5. Step 5: Solve for x
    x = 55,620,047.11/7,639.34
  6. Step 6: Final answer
    x = 7,280.74

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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.