Home / 6,310.62-8,710.63-4,072.50

Finding the Fourth Proportional to 6,310.62, 8,710.63 and 4,072.50

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Solution

The fourth proportional to 6,310.62, 8,710.63 and 4,072.50 is: 5,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.62 : 8,710.63 = 4,072.50 : x
  2. Step 2: Convert to fraction form
    6,310.62/8,710.63 = 4,072.50/x
  3. Step 3: Cross multiply
    6,310.62x = 8,710.63 × 4,072.50
  4. Step 4: Simplify right side
    6,310.62x = 35,474,030.49
  5. Step 5: Solve for x
    x = 35,474,030.49/6,310.62
  6. Step 6: Final answer
    x = 5,621.32

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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.