Home / 4,878.01-6,731.50-2,888.58

Finding the Fourth Proportional to 4,878.01, 6,731.50 and 2,888.58

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Solution

The fourth proportional to 4,878.01, 6,731.50 and 2,888.58 is: 3,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.01 : 6,731.50 = 2,888.58 : x
  2. Step 2: Convert to fraction form
    4,878.01/6,731.50 = 2,888.58/x
  3. Step 3: Cross multiply
    4,878.01x = 6,731.50 × 2,888.58
  4. Step 4: Simplify right side
    4,878.01x = 19,444,476.27
  5. Step 5: Solve for x
    x = 19,444,476.27/4,878.01
  6. Step 6: Final answer
    x = 3,986.15

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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.