Home / 6,276.09-9,415.71-4,430.81

Finding the Fourth Proportional to 6,276.09, 9,415.71 and 4,430.81

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Solution

The fourth proportional to 6,276.09, 9,415.71 and 4,430.81 is: 6,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.09 : 9,415.71 = 4,430.81 : x
  2. Step 2: Convert to fraction form
    6,276.09/9,415.71 = 4,430.81/x
  3. Step 3: Cross multiply
    6,276.09x = 9,415.71 × 4,430.81
  4. Step 4: Simplify right side
    6,276.09x = 41,719,222.03
  5. Step 5: Solve for x
    x = 41,719,222.03/6,276.09
  6. Step 6: Final answer
    x = 6,647.33

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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.