Home / 7,029.75-9,701.19-3,885.87

Finding the Fourth Proportional to 7,029.75, 9,701.19 and 3,885.87

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Solution

The fourth proportional to 7,029.75, 9,701.19 and 3,885.87 is: 5,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.75 : 9,701.19 = 3,885.87 : x
  2. Step 2: Convert to fraction form
    7,029.75/9,701.19 = 3,885.87/x
  3. Step 3: Cross multiply
    7,029.75x = 9,701.19 × 3,885.87
  4. Step 4: Simplify right side
    7,029.75x = 37,697,563.19
  5. Step 5: Solve for x
    x = 37,697,563.19/7,029.75
  6. Step 6: Final answer
    x = 5,362.58

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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.