Home / 4,322.96-6,485.26-1,690.35

Finding the Fourth Proportional to 4,322.96, 6,485.26 and 1,690.35

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Solution

The fourth proportional to 4,322.96, 6,485.26 and 1,690.35 is: 2,535.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.96 : 6,485.26 = 1,690.35 : x
  2. Step 2: Convert to fraction form
    4,322.96/6,485.26 = 1,690.35/x
  3. Step 3: Cross multiply
    4,322.96x = 6,485.26 × 1,690.35
  4. Step 4: Simplify right side
    4,322.96x = 10,962,326.81
  5. Step 5: Solve for x
    x = 10,962,326.81/4,322.96
  6. Step 6: Final answer
    x = 2,535.84

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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.