Home / 4,378.40-6,039.16-3,051.60

Finding the Fourth Proportional to 4,378.40, 6,039.16 and 3,051.60

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Solution

The fourth proportional to 4,378.40, 6,039.16 and 3,051.60 is: 4,209.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.40 : 6,039.16 = 3,051.60 : x
  2. Step 2: Convert to fraction form
    4,378.40/6,039.16 = 3,051.60/x
  3. Step 3: Cross multiply
    4,378.40x = 6,039.16 × 3,051.60
  4. Step 4: Simplify right side
    4,378.40x = 18,429,100.66
  5. Step 5: Solve for x
    x = 18,429,100.66/4,378.40
  6. Step 6: Final answer
    x = 4,209.09

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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.