Home / 6,435.93-9,635.69-4,090.12

Finding the Fourth Proportional to 6,435.93, 9,635.69 and 4,090.12

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Solution

The fourth proportional to 6,435.93, 9,635.69 and 4,090.12 is: 6,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.93 : 9,635.69 = 4,090.12 : x
  2. Step 2: Convert to fraction form
    6,435.93/9,635.69 = 4,090.12/x
  3. Step 3: Cross multiply
    6,435.93x = 9,635.69 × 4,090.12
  4. Step 4: Simplify right side
    6,435.93x = 39,411,128.38
  5. Step 5: Solve for x
    x = 39,411,128.38/6,435.93
  6. Step 6: Final answer
    x = 6,123.61

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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.