Home / 5,538.16-8,309.67-2,615.68

Finding the Fourth Proportional to 5,538.16, 8,309.67 and 2,615.68

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Solution

The fourth proportional to 5,538.16, 8,309.67 and 2,615.68 is: 3,924.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.16 : 8,309.67 = 2,615.68 : x
  2. Step 2: Convert to fraction form
    5,538.16/8,309.67 = 2,615.68/x
  3. Step 3: Cross multiply
    5,538.16x = 8,309.67 × 2,615.68
  4. Step 4: Simplify right side
    5,538.16x = 21,735,437.63
  5. Step 5: Solve for x
    x = 21,735,437.63/5,538.16
  6. Step 6: Final answer
    x = 3,924.67

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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.