Home / 4,938.12-6,862.95-4,886.28

Finding the Fourth Proportional to 4,938.12, 6,862.95 and 4,886.28

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Solution

The fourth proportional to 4,938.12, 6,862.95 and 4,886.28 is: 6,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.12 : 6,862.95 = 4,886.28 : x
  2. Step 2: Convert to fraction form
    4,938.12/6,862.95 = 4,886.28/x
  3. Step 3: Cross multiply
    4,938.12x = 6,862.95 × 4,886.28
  4. Step 4: Simplify right side
    4,938.12x = 33,534,295.33
  5. Step 5: Solve for x
    x = 33,534,295.33/4,938.12
  6. Step 6: Final answer
    x = 6,790.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.