Home / 4,680.40-7,021.26-1,718.48

Finding the Fourth Proportional to 4,680.40, 7,021.26 and 1,718.48

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Solution

The fourth proportional to 4,680.40, 7,021.26 and 1,718.48 is: 2,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.40 : 7,021.26 = 1,718.48 : x
  2. Step 2: Convert to fraction form
    4,680.40/7,021.26 = 1,718.48/x
  3. Step 3: Cross multiply
    4,680.40x = 7,021.26 × 1,718.48
  4. Step 4: Simplify right side
    4,680.40x = 12,065,894.88
  5. Step 5: Solve for x
    x = 12,065,894.88/4,680.40
  6. Step 6: Final answer
    x = 2,577.96

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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.