Home / 7,664.21-10,576.32-4,685.03

Finding the Fourth Proportional to 7,664.21, 10,576.32 and 4,685.03

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Solution

The fourth proportional to 7,664.21, 10,576.32 and 4,685.03 is: 6,465.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.21 : 10,576.32 = 4,685.03 : x
  2. Step 2: Convert to fraction form
    7,664.21/10,576.32 = 4,685.03/x
  3. Step 3: Cross multiply
    7,664.21x = 10,576.32 × 4,685.03
  4. Step 4: Simplify right side
    7,664.21x = 49,550,376.49
  5. Step 5: Solve for x
    x = 49,550,376.49/7,664.21
  6. Step 6: Final answer
    x = 6,465.16

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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.