Home / 4,818.36-6,646.44-2,928.64

Finding the Fourth Proportional to 4,818.36, 6,646.44 and 2,928.64

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Solution

The fourth proportional to 4,818.36, 6,646.44 and 2,928.64 is: 4,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.36 : 6,646.44 = 2,928.64 : x
  2. Step 2: Convert to fraction form
    4,818.36/6,646.44 = 2,928.64/x
  3. Step 3: Cross multiply
    4,818.36x = 6,646.44 × 2,928.64
  4. Step 4: Simplify right side
    4,818.36x = 19,465,030.04
  5. Step 5: Solve for x
    x = 19,465,030.04/4,818.36
  6. Step 6: Final answer
    x = 4,039.76

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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.