Home / 7,575.85-10,454.43-4,218.67

Finding the Fourth Proportional to 7,575.85, 10,454.43 and 4,218.67

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Solution

The fourth proportional to 7,575.85, 10,454.43 and 4,218.67 is: 5,821.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.85 : 10,454.43 = 4,218.67 : x
  2. Step 2: Convert to fraction form
    7,575.85/10,454.43 = 4,218.67/x
  3. Step 3: Cross multiply
    7,575.85x = 10,454.43 × 4,218.67
  4. Step 4: Simplify right side
    7,575.85x = 44,103,790.21
  5. Step 5: Solve for x
    x = 44,103,790.21/7,575.85
  6. Step 6: Final answer
    x = 5,821.63

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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.