Home / 6,406.07-9,610.31-3,118.28

Finding the Fourth Proportional to 6,406.07, 9,610.31 and 3,118.28

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Solution

The fourth proportional to 6,406.07, 9,610.31 and 3,118.28 is: 4,678.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,406.07 : 9,610.31 = 3,118.28 : x
  2. Step 2: Convert to fraction form
    6,406.07/9,610.31 = 3,118.28/x
  3. Step 3: Cross multiply
    6,406.07x = 9,610.31 × 3,118.28
  4. Step 4: Simplify right side
    6,406.07x = 29,967,597.21
  5. Step 5: Solve for x
    x = 29,967,597.21/6,406.07
  6. Step 6: Final answer
    x = 4,678.00

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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.