Home / 6,913.96-9,541.06-3,930.12

Finding the Fourth Proportional to 6,913.96, 9,541.06 and 3,930.12

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Solution

The fourth proportional to 6,913.96, 9,541.06 and 3,930.12 is: 5,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.96 : 9,541.06 = 3,930.12 : x
  2. Step 2: Convert to fraction form
    6,913.96/9,541.06 = 3,930.12/x
  3. Step 3: Cross multiply
    6,913.96x = 9,541.06 × 3,930.12
  4. Step 4: Simplify right side
    6,913.96x = 37,497,510.73
  5. Step 5: Solve for x
    x = 37,497,510.73/6,913.96
  6. Step 6: Final answer
    x = 5,423.45

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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.