Home / 4,276.37-6,415.23-1,643.77

Finding the Fourth Proportional to 4,276.37, 6,415.23 and 1,643.77

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Solution

The fourth proportional to 4,276.37, 6,415.23 and 1,643.77 is: 2,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.37 : 6,415.23 = 1,643.77 : x
  2. Step 2: Convert to fraction form
    4,276.37/6,415.23 = 1,643.77/x
  3. Step 3: Cross multiply
    4,276.37x = 6,415.23 × 1,643.77
  4. Step 4: Simplify right side
    4,276.37x = 10,545,162.62
  5. Step 5: Solve for x
    x = 10,545,162.62/4,276.37
  6. Step 6: Final answer
    x = 2,465.91

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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.