Home / 7,256.45-10,885.64-3,558.80

Finding the Fourth Proportional to 7,256.45, 10,885.64 and 3,558.80

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Solution

The fourth proportional to 7,256.45, 10,885.64 and 3,558.80 is: 5,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256.45 : 10,885.64 = 3,558.80 : x
  2. Step 2: Convert to fraction form
    7,256.45/10,885.64 = 3,558.80/x
  3. Step 3: Cross multiply
    7,256.45x = 10,885.64 × 3,558.80
  4. Step 4: Simplify right side
    7,256.45x = 38,739,743.41
  5. Step 5: Solve for x
    x = 38,739,743.41/7,256.45
  6. Step 6: Final answer
    x = 5,338.67

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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.