Home / 4,271.47-6,406.48-1,192.75

Finding the Fourth Proportional to 4,271.47, 6,406.48 and 1,192.75

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Solution

The fourth proportional to 4,271.47, 6,406.48 and 1,192.75 is: 1,788.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.47 : 6,406.48 = 1,192.75 : x
  2. Step 2: Convert to fraction form
    4,271.47/6,406.48 = 1,192.75/x
  3. Step 3: Cross multiply
    4,271.47x = 6,406.48 × 1,192.75
  4. Step 4: Simplify right side
    4,271.47x = 7,641,329.02
  5. Step 5: Solve for x
    x = 7,641,329.02/4,271.47
  6. Step 6: Final answer
    x = 1,788.92

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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.