Home / 6,669.45-9,199.87-4,312.98

Finding the Fourth Proportional to 6,669.45, 9,199.87 and 4,312.98

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Solution

The fourth proportional to 6,669.45, 9,199.87 and 4,312.98 is: 5,949.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.45 : 9,199.87 = 4,312.98 : x
  2. Step 2: Convert to fraction form
    6,669.45/9,199.87 = 4,312.98/x
  3. Step 3: Cross multiply
    6,669.45x = 9,199.87 × 4,312.98
  4. Step 4: Simplify right side
    6,669.45x = 39,678,855.31
  5. Step 5: Solve for x
    x = 39,678,855.31/6,669.45
  6. Step 6: Final answer
    x = 5,949.34

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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.