Home / 6,317.62-8,717.90-3,485.01

Finding the Fourth Proportional to 6,317.62, 8,717.90 and 3,485.01

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Solution

The fourth proportional to 6,317.62, 8,717.90 and 3,485.01 is: 4,809.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.62 : 8,717.90 = 3,485.01 : x
  2. Step 2: Convert to fraction form
    6,317.62/8,717.90 = 3,485.01/x
  3. Step 3: Cross multiply
    6,317.62x = 8,717.90 × 3,485.01
  4. Step 4: Simplify right side
    6,317.62x = 30,381,977.39
  5. Step 5: Solve for x
    x = 30,381,977.39/6,317.62
  6. Step 6: Final answer
    x = 4,809.09

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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.