Home / 6,440.85-8,904.62-4,759.61

Finding the Fourth Proportional to 6,440.85, 8,904.62 and 4,759.61

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Solution

The fourth proportional to 6,440.85, 8,904.62 and 4,759.61 is: 6,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.85 : 8,904.62 = 4,759.61 : x
  2. Step 2: Convert to fraction form
    6,440.85/8,904.62 = 4,759.61/x
  3. Step 3: Cross multiply
    6,440.85x = 8,904.62 × 4,759.61
  4. Step 4: Simplify right side
    6,440.85x = 42,382,485.77
  5. Step 5: Solve for x
    x = 42,382,485.77/6,440.85
  6. Step 6: Final answer
    x = 6,580.26

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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.