Home / 5,475.69-8,213.98-2,186.98

Finding the Fourth Proportional to 5,475.69, 8,213.98 and 2,186.98

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Solution

The fourth proportional to 5,475.69, 8,213.98 and 2,186.98 is: 3,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.69 : 8,213.98 = 2,186.98 : x
  2. Step 2: Convert to fraction form
    5,475.69/8,213.98 = 2,186.98/x
  3. Step 3: Cross multiply
    5,475.69x = 8,213.98 × 2,186.98
  4. Step 4: Simplify right side
    5,475.69x = 17,963,804.51
  5. Step 5: Solve for x
    x = 17,963,804.51/5,475.69
  6. Step 6: Final answer
    x = 3,280.65

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1.5x scale

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.