Home / 6,430.36-9,647.37-2,048.16

Finding the Fourth Proportional to 6,430.36, 9,647.37 and 2,048.16

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Solution

The fourth proportional to 6,430.36, 9,647.37 and 2,048.16 is: 3,072.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.36 : 9,647.37 = 2,048.16 : x
  2. Step 2: Convert to fraction form
    6,430.36/9,647.37 = 2,048.16/x
  3. Step 3: Cross multiply
    6,430.36x = 9,647.37 × 2,048.16
  4. Step 4: Simplify right side
    6,430.36x = 19,759,347.10
  5. Step 5: Solve for x
    x = 19,759,347.10/6,430.36
  6. Step 6: Final answer
    x = 3,072.82

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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.