Home / 8,779.16-13,170.44-3,232.55

Finding the Fourth Proportional to 8,779.16, 13,170.44 and 3,232.55

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Solution

The fourth proportional to 8,779.16, 13,170.44 and 3,232.55 is: 4,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.16 : 13,170.44 = 3,232.55 : x
  2. Step 2: Convert to fraction form
    8,779.16/13,170.44 = 3,232.55/x
  3. Step 3: Cross multiply
    8,779.16x = 13,170.44 × 3,232.55
  4. Step 4: Simplify right side
    8,779.16x = 42,574,048.05
  5. Step 5: Solve for x
    x = 42,574,048.05/8,779.16
  6. Step 6: Final answer
    x = 4,849.45

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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.