Home / 6,890.29-10,334.02-1,958.60

Finding the Fourth Proportional to 6,890.29, 10,334.02 and 1,958.60

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Solution

The fourth proportional to 6,890.29, 10,334.02 and 1,958.60 is: 2,937.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.29 : 10,334.02 = 1,958.60 : x
  2. Step 2: Convert to fraction form
    6,890.29/10,334.02 = 1,958.60/x
  3. Step 3: Cross multiply
    6,890.29x = 10,334.02 × 1,958.60
  4. Step 4: Simplify right side
    6,890.29x = 20,240,211.57
  5. Step 5: Solve for x
    x = 20,240,211.57/6,890.29
  6. Step 6: Final answer
    x = 2,937.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.