Home / 6,317.66-8,718.26-3,485.30

Finding the Fourth Proportional to 6,317.66, 8,718.26 and 3,485.30

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Solution

The fourth proportional to 6,317.66, 8,718.26 and 3,485.30 is: 4,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.66 : 8,718.26 = 3,485.30 : x
  2. Step 2: Convert to fraction form
    6,317.66/8,718.26 = 3,485.30/x
  3. Step 3: Cross multiply
    6,317.66x = 8,718.26 × 3,485.30
  4. Step 4: Simplify right side
    6,317.66x = 30,385,707.99
  5. Step 5: Solve for x
    x = 30,385,707.99/6,317.66
  6. Step 6: Final answer
    x = 4,809.65

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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.