Home / 7,039.60-10,559.37-2,881.54

Finding the Fourth Proportional to 7,039.60, 10,559.37 and 2,881.54

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Solution

The fourth proportional to 7,039.60, 10,559.37 and 2,881.54 is: 4,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.60 : 10,559.37 = 2,881.54 : x
  2. Step 2: Convert to fraction form
    7,039.60/10,559.37 = 2,881.54/x
  3. Step 3: Cross multiply
    7,039.60x = 10,559.37 × 2,881.54
  4. Step 4: Simplify right side
    7,039.60x = 30,427,247.03
  5. Step 5: Solve for x
    x = 30,427,247.03/7,039.60
  6. Step 6: Final answer
    x = 4,322.30

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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.