Home / 6,075.78-8,385.04-3,423.44

Finding the Fourth Proportional to 6,075.78, 8,385.04 and 3,423.44

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Solution

The fourth proportional to 6,075.78, 8,385.04 and 3,423.44 is: 4,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,075.78 : 8,385.04 = 3,423.44 : x
  2. Step 2: Convert to fraction form
    6,075.78/8,385.04 = 3,423.44/x
  3. Step 3: Cross multiply
    6,075.78x = 8,385.04 × 3,423.44
  4. Step 4: Simplify right side
    6,075.78x = 28,705,681.34
  5. Step 5: Solve for x
    x = 28,705,681.34/6,075.78
  6. Step 6: Final answer
    x = 4,724.61

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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.