Home / 7,045.05-9,720.57-4,211.94

Finding the Fourth Proportional to 7,045.05, 9,720.57 and 4,211.94

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Solution

The fourth proportional to 7,045.05, 9,720.57 and 4,211.94 is: 5,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.05 : 9,720.57 = 4,211.94 : x
  2. Step 2: Convert to fraction form
    7,045.05/9,720.57 = 4,211.94/x
  3. Step 3: Cross multiply
    7,045.05x = 9,720.57 × 4,211.94
  4. Step 4: Simplify right side
    7,045.05x = 40,942,457.61
  5. Step 5: Solve for x
    x = 40,942,457.61/7,045.05
  6. Step 6: Final answer
    x = 5,811.52

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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.