Home / 4,984.28-6,878.24-2,888.60

Finding the Fourth Proportional to 4,984.28, 6,878.24 and 2,888.60

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Solution

The fourth proportional to 4,984.28, 6,878.24 and 2,888.60 is: 3,986.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.28 : 6,878.24 = 2,888.60 : x
  2. Step 2: Convert to fraction form
    4,984.28/6,878.24 = 2,888.60/x
  3. Step 3: Cross multiply
    4,984.28x = 6,878.24 × 2,888.60
  4. Step 4: Simplify right side
    4,984.28x = 19,868,484.06
  5. Step 5: Solve for x
    x = 19,868,484.06/4,984.28
  6. Step 6: Final answer
    x = 3,986.23

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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.