Home / 6,128.03-8,457.55-3,576.63

Finding the Fourth Proportional to 6,128.03, 8,457.55 and 3,576.63

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Solution

The fourth proportional to 6,128.03, 8,457.55 and 3,576.63 is: 4,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.03 : 8,457.55 = 3,576.63 : x
  2. Step 2: Convert to fraction form
    6,128.03/8,457.55 = 3,576.63/x
  3. Step 3: Cross multiply
    6,128.03x = 8,457.55 × 3,576.63
  4. Step 4: Simplify right side
    6,128.03x = 30,249,503.06
  5. Step 5: Solve for x
    x = 30,249,503.06/6,128.03
  6. Step 6: Final answer
    x = 4,936.25

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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.