Home / 6,390.06-8,821.46-4,951.19

Finding the Fourth Proportional to 6,390.06, 8,821.46 and 4,951.19

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Solution

The fourth proportional to 6,390.06, 8,821.46 and 4,951.19 is: 6,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.06 : 8,821.46 = 4,951.19 : x
  2. Step 2: Convert to fraction form
    6,390.06/8,821.46 = 4,951.19/x
  3. Step 3: Cross multiply
    6,390.06x = 8,821.46 × 4,951.19
  4. Step 4: Simplify right side
    6,390.06x = 43,676,724.54
  5. Step 5: Solve for x
    x = 43,676,724.54/6,390.06
  6. Step 6: Final answer
    x = 6,835.10

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Double scale
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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.