Home / 6,318.06-8,718.54-3,485.32

Finding the Fourth Proportional to 6,318.06, 8,718.54 and 3,485.32

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Solution

The fourth proportional to 6,318.06, 8,718.54 and 3,485.32 is: 4,809.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.06 : 8,718.54 = 3,485.32 : x
  2. Step 2: Convert to fraction form
    6,318.06/8,718.54 = 3,485.32/x
  3. Step 3: Cross multiply
    6,318.06x = 8,718.54 × 3,485.32
  4. Step 4: Simplify right side
    6,318.06x = 30,386,901.83
  5. Step 5: Solve for x
    x = 30,386,901.83/6,318.06
  6. Step 6: Final answer
    x = 4,809.53

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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.