Home / 6,923.80-10,385.70-4,461.40

Finding the Fourth Proportional to 6,923.80, 10,385.70 and 4,461.40

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Solution

The fourth proportional to 6,923.80, 10,385.70 and 4,461.40 is: 6,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.80 : 10,385.70 = 4,461.40 : x
  2. Step 2: Convert to fraction form
    6,923.80/10,385.70 = 4,461.40/x
  3. Step 3: Cross multiply
    6,923.80x = 10,385.70 × 4,461.40
  4. Step 4: Simplify right side
    6,923.80x = 46,334,761.98
  5. Step 5: Solve for x
    x = 46,334,761.98/6,923.80
  6. Step 6: Final answer
    x = 6,692.10

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Similar ratio
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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.