Home / 7,045.05-9,719.36-4,211.37

Finding the Fourth Proportional to 7,045.05, 9,719.36 and 4,211.37

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Solution

The fourth proportional to 7,045.05, 9,719.36 and 4,211.37 is: 5,810.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.05 : 9,719.36 = 4,211.37 : x
  2. Step 2: Convert to fraction form
    7,045.05/9,719.36 = 4,211.37/x
  3. Step 3: Cross multiply
    7,045.05x = 9,719.36 × 4,211.37
  4. Step 4: Simplify right side
    7,045.05x = 40,931,800.07
  5. Step 5: Solve for x
    x = 40,931,800.07/7,045.05
  6. Step 6: Final answer
    x = 5,810.01

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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.