Home / 5,014.89-6,921.06-2,890.50

Finding the Fourth Proportional to 5,014.89, 6,921.06 and 2,890.50

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Solution

The fourth proportional to 5,014.89, 6,921.06 and 2,890.50 is: 3,989.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.89 : 6,921.06 = 2,890.50 : x
  2. Step 2: Convert to fraction form
    5,014.89/6,921.06 = 2,890.50/x
  3. Step 3: Cross multiply
    5,014.89x = 6,921.06 × 2,890.50
  4. Step 4: Simplify right side
    5,014.89x = 20,005,323.93
  5. Step 5: Solve for x
    x = 20,005,323.93/5,014.89
  6. Step 6: Final answer
    x = 3,989.18

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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.