Home / 4,875.90-6,726.56-2,986.86

Finding the Fourth Proportional to 4,875.90, 6,726.56 and 2,986.86

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Solution

The fourth proportional to 4,875.90, 6,726.56 and 2,986.86 is: 4,120.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.90 : 6,726.56 = 2,986.86 : x
  2. Step 2: Convert to fraction form
    4,875.90/6,726.56 = 2,986.86/x
  3. Step 3: Cross multiply
    4,875.90x = 6,726.56 × 2,986.86
  4. Step 4: Simplify right side
    4,875.90x = 20,091,293.00
  5. Step 5: Solve for x
    x = 20,091,293.00/4,875.90
  6. Step 6: Final answer
    x = 4,120.53

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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.