Home / 8,651.12-11,938.54-4,672.23

Finding the Fourth Proportional to 8,651.12, 11,938.54 and 4,672.23

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Solution

The fourth proportional to 8,651.12, 11,938.54 and 4,672.23 is: 6,447.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.12 : 11,938.54 = 4,672.23 : x
  2. Step 2: Convert to fraction form
    8,651.12/11,938.54 = 4,672.23/x
  3. Step 3: Cross multiply
    8,651.12x = 11,938.54 × 4,672.23
  4. Step 4: Simplify right side
    8,651.12x = 55,779,521.69
  5. Step 5: Solve for x
    x = 55,779,521.69/8,651.12
  6. Step 6: Final answer
    x = 6,447.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.