Home / 7,675.60-11,516.12-4,391.45

Finding the Fourth Proportional to 7,675.60, 11,516.12 and 4,391.45

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Solution

The fourth proportional to 7,675.60, 11,516.12 and 4,391.45 is: 6,588.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.60 : 11,516.12 = 4,391.45 : x
  2. Step 2: Convert to fraction form
    7,675.60/11,516.12 = 4,391.45/x
  3. Step 3: Cross multiply
    7,675.60x = 11,516.12 × 4,391.45
  4. Step 4: Simplify right side
    7,675.60x = 50,572,443.22
  5. Step 5: Solve for x
    x = 50,572,443.22/7,675.60
  6. Step 6: Final answer
    x = 6,588.73

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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.