Home / 4,938.02-6,814.47-2,813.49

Finding the Fourth Proportional to 4,938.02, 6,814.47 and 2,813.49

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Solution

The fourth proportional to 4,938.02, 6,814.47 and 2,813.49 is: 3,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.02 : 6,814.47 = 2,813.49 : x
  2. Step 2: Convert to fraction form
    4,938.02/6,814.47 = 2,813.49/x
  3. Step 3: Cross multiply
    4,938.02x = 6,814.47 × 2,813.49
  4. Step 4: Simplify right side
    4,938.02x = 19,172,443.20
  5. Step 5: Solve for x
    x = 19,172,443.20/4,938.02
  6. Step 6: Final answer
    x = 3,882.62

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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.