Home / 6,128.34-9,192.51-2,615.40

Finding the Fourth Proportional to 6,128.34, 9,192.51 and 2,615.40

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Solution

The fourth proportional to 6,128.34, 9,192.51 and 2,615.40 is: 3,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.34 : 9,192.51 = 2,615.40 : x
  2. Step 2: Convert to fraction form
    6,128.34/9,192.51 = 2,615.40/x
  3. Step 3: Cross multiply
    6,128.34x = 9,192.51 × 2,615.40
  4. Step 4: Simplify right side
    6,128.34x = 24,042,090.65
  5. Step 5: Solve for x
    x = 24,042,090.65/6,128.34
  6. Step 6: Final answer
    x = 3,923.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.