Home / 7,747.22-10,692.72-4,390.04

Finding the Fourth Proportional to 7,747.22, 10,692.72 and 4,390.04

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Solution

The fourth proportional to 7,747.22, 10,692.72 and 4,390.04 is: 6,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.22 : 10,692.72 = 4,390.04 : x
  2. Step 2: Convert to fraction form
    7,747.22/10,692.72 = 4,390.04/x
  3. Step 3: Cross multiply
    7,747.22x = 10,692.72 × 4,390.04
  4. Step 4: Simplify right side
    7,747.22x = 46,941,468.51
  5. Step 5: Solve for x
    x = 46,941,468.51/7,747.22
  6. Step 6: Final answer
    x = 6,059.14

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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.