Home / 6,699.11-9,240.67-4,430.45

Finding the Fourth Proportional to 6,699.11, 9,240.67 and 4,430.45

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Solution

The fourth proportional to 6,699.11, 9,240.67 and 4,430.45 is: 6,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.11 : 9,240.67 = 4,430.45 : x
  2. Step 2: Convert to fraction form
    6,699.11/9,240.67 = 4,430.45/x
  3. Step 3: Cross multiply
    6,699.11x = 9,240.67 × 4,430.45
  4. Step 4: Simplify right side
    6,699.11x = 40,940,338.43
  5. Step 5: Solve for x
    x = 40,940,338.43/6,699.11
  6. Step 6: Final answer
    x = 6,111.31

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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.