Home / 7,022.98-9,690.60-4,038.94

Finding the Fourth Proportional to 7,022.98, 9,690.60 and 4,038.94

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Solution

The fourth proportional to 7,022.98, 9,690.60 and 4,038.94 is: 5,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.98 : 9,690.60 = 4,038.94 : x
  2. Step 2: Convert to fraction form
    7,022.98/9,690.60 = 4,038.94/x
  3. Step 3: Cross multiply
    7,022.98x = 9,690.60 × 4,038.94
  4. Step 4: Simplify right side
    7,022.98x = 39,139,751.96
  5. Step 5: Solve for x
    x = 39,139,751.96/7,022.98
  6. Step 6: Final answer
    x = 5,573.10

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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.