Home / 6,618.85-9,134.48-4,376.83

Finding the Fourth Proportional to 6,618.85, 9,134.48 and 4,376.83

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Solution

The fourth proportional to 6,618.85, 9,134.48 and 4,376.83 is: 6,040.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.85 : 9,134.48 = 4,376.83 : x
  2. Step 2: Convert to fraction form
    6,618.85/9,134.48 = 4,376.83/x
  3. Step 3: Cross multiply
    6,618.85x = 9,134.48 × 4,376.83
  4. Step 4: Simplify right side
    6,618.85x = 39,980,066.10
  5. Step 5: Solve for x
    x = 39,980,066.10/6,618.85
  6. Step 6: Final answer
    x = 6,040.33

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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.