Home / 7,664.35-10,576.87-4,639.54

Finding the Fourth Proportional to 7,664.35, 10,576.87 and 4,639.54

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Solution

The fourth proportional to 7,664.35, 10,576.87 and 4,639.54 is: 6,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.35 : 10,576.87 = 4,639.54 : x
  2. Step 2: Convert to fraction form
    7,664.35/10,576.87 = 4,639.54/x
  3. Step 3: Cross multiply
    7,664.35x = 10,576.87 × 4,639.54
  4. Step 4: Simplify right side
    7,664.35x = 49,071,804.02
  5. Step 5: Solve for x
    x = 49,071,804.02/7,664.35
  6. Step 6: Final answer
    x = 6,402.61

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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.