Home / 4,984.02-6,877.71-2,888.82

Finding the Fourth Proportional to 4,984.02, 6,877.71 and 2,888.82

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Solution

The fourth proportional to 4,984.02, 6,877.71 and 2,888.82 is: 3,986.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.02 : 6,877.71 = 2,888.82 : x
  2. Step 2: Convert to fraction form
    4,984.02/6,877.71 = 2,888.82/x
  3. Step 3: Cross multiply
    4,984.02x = 6,877.71 × 2,888.82
  4. Step 4: Simplify right side
    4,984.02x = 19,868,466.20
  5. Step 5: Solve for x
    x = 19,868,466.20/4,984.02
  6. Step 6: Final answer
    x = 3,986.43

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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.