Home / 7,447.22-10,280.67-4,302.80

Finding the Fourth Proportional to 7,447.22, 10,280.67 and 4,302.80

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Solution

The fourth proportional to 7,447.22, 10,280.67 and 4,302.80 is: 5,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.22 : 10,280.67 = 4,302.80 : x
  2. Step 2: Convert to fraction form
    7,447.22/10,280.67 = 4,302.80/x
  3. Step 3: Cross multiply
    7,447.22x = 10,280.67 × 4,302.80
  4. Step 4: Simplify right side
    7,447.22x = 44,235,692.58
  5. Step 5: Solve for x
    x = 44,235,692.58/7,447.22
  6. Step 6: Final answer
    x = 5,939.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.