Home / 7,029.06-9,699.72-4,199.64

Finding the Fourth Proportional to 7,029.06, 9,699.72 and 4,199.64

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Solution

The fourth proportional to 7,029.06, 9,699.72 and 4,199.64 is: 5,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.06 : 9,699.72 = 4,199.64 : x
  2. Step 2: Convert to fraction form
    7,029.06/9,699.72 = 4,199.64/x
  3. Step 3: Cross multiply
    7,029.06x = 9,699.72 × 4,199.64
  4. Step 4: Simplify right side
    7,029.06x = 40,735,332.10
  5. Step 5: Solve for x
    x = 40,735,332.10/7,029.06
  6. Step 6: Final answer
    x = 5,795.27

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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.