Home / 5,615.56-8,424.18-1,814.93

Finding the Fourth Proportional to 5,615.56, 8,424.18 and 1,814.93

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Solution

The fourth proportional to 5,615.56, 8,424.18 and 1,814.93 is: 2,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.56 : 8,424.18 = 1,814.93 : x
  2. Step 2: Convert to fraction form
    5,615.56/8,424.18 = 1,814.93/x
  3. Step 3: Cross multiply
    5,615.56x = 8,424.18 × 1,814.93
  4. Step 4: Simplify right side
    5,615.56x = 15,289,283.47
  5. Step 5: Solve for x
    x = 15,289,283.47/5,615.56
  6. Step 6: Final answer
    x = 2,722.67

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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.