Home / 4,643.06-6,405.48-3,148.61

Finding the Fourth Proportional to 4,643.06, 6,405.48 and 3,148.61

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Solution

The fourth proportional to 4,643.06, 6,405.48 and 3,148.61 is: 4,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.06 : 6,405.48 = 3,148.61 : x
  2. Step 2: Convert to fraction form
    4,643.06/6,405.48 = 3,148.61/x
  3. Step 3: Cross multiply
    4,643.06x = 6,405.48 × 3,148.61
  4. Step 4: Simplify right side
    4,643.06x = 20,168,326.36
  5. Step 5: Solve for x
    x = 20,168,326.36/4,643.06
  6. Step 6: Final answer
    x = 4,343.76

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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.