Home / 4,192.95-6,289.74-1,271.49

Finding the Fourth Proportional to 4,192.95, 6,289.74 and 1,271.49

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Solution

The fourth proportional to 4,192.95, 6,289.74 and 1,271.49 is: 1,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.95 : 6,289.74 = 1,271.49 : x
  2. Step 2: Convert to fraction form
    4,192.95/6,289.74 = 1,271.49/x
  3. Step 3: Cross multiply
    4,192.95x = 6,289.74 × 1,271.49
  4. Step 4: Simplify right side
    4,192.95x = 7,997,341.51
  5. Step 5: Solve for x
    x = 7,997,341.51/4,192.95
  6. Step 6: Final answer
    x = 1,907.33

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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.