Home / 4,689.46-7,032.12-1,765.72

Finding the Fourth Proportional to 4,689.46, 7,032.12 and 1,765.72

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Solution

The fourth proportional to 4,689.46, 7,032.12 and 1,765.72 is: 2,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.46 : 7,032.12 = 1,765.72 : x
  2. Step 2: Convert to fraction form
    4,689.46/7,032.12 = 1,765.72/x
  3. Step 3: Cross multiply
    4,689.46x = 7,032.12 × 1,765.72
  4. Step 4: Simplify right side
    4,689.46x = 12,416,754.93
  5. Step 5: Solve for x
    x = 12,416,754.93/4,689.46
  6. Step 6: Final answer
    x = 2,647.80

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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.