Home / 4,928.08-6,798.72-2,938.20

Finding the Fourth Proportional to 4,928.08, 6,798.72 and 2,938.20

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Solution

The fourth proportional to 4,928.08, 6,798.72 and 2,938.20 is: 4,053.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.08 : 6,798.72 = 2,938.20 : x
  2. Step 2: Convert to fraction form
    4,928.08/6,798.72 = 2,938.20/x
  3. Step 3: Cross multiply
    4,928.08x = 6,798.72 × 2,938.20
  4. Step 4: Simplify right side
    4,928.08x = 19,975,999.10
  5. Step 5: Solve for x
    x = 19,975,999.10/4,928.08
  6. Step 6: Final answer
    x = 4,053.51

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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.