Home / 5,423.03-8,130.60-3,663.67

Finding the Fourth Proportional to 5,423.03, 8,130.60 and 3,663.67

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Solution

The fourth proportional to 5,423.03, 8,130.60 and 3,663.67 is: 5,492.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.03 : 8,130.60 = 3,663.67 : x
  2. Step 2: Convert to fraction form
    5,423.03/8,130.60 = 3,663.67/x
  3. Step 3: Cross multiply
    5,423.03x = 8,130.60 × 3,663.67
  4. Step 4: Simplify right side
    5,423.03x = 29,787,835.30
  5. Step 5: Solve for x
    x = 29,787,835.30/5,423.03
  6. Step 6: Final answer
    x = 5,492.84

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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.