Home / 4,937.76-6,813.72-2,842.02

Finding the Fourth Proportional to 4,937.76, 6,813.72 and 2,842.02

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Solution

The fourth proportional to 4,937.76, 6,813.72 and 2,842.02 is: 3,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.76 : 6,813.72 = 2,842.02 : x
  2. Step 2: Convert to fraction form
    4,937.76/6,813.72 = 2,842.02/x
  3. Step 3: Cross multiply
    4,937.76x = 6,813.72 × 2,842.02
  4. Step 4: Simplify right side
    4,937.76x = 19,364,728.51
  5. Step 5: Solve for x
    x = 19,364,728.51/4,937.76
  6. Step 6: Final answer
    x = 3,921.76

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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.