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Finding the Fourth Proportional to 6,903.48, 10,355.20 and 1,973.40

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Solution

The fourth proportional to 6,903.48, 10,355.20 and 1,973.40 is: 2,960.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.48 : 10,355.20 = 1,973.40 : x
  2. Step 2: Convert to fraction form
    6,903.48/10,355.20 = 1,973.40/x
  3. Step 3: Cross multiply
    6,903.48x = 10,355.20 × 1,973.40
  4. Step 4: Simplify right side
    6,903.48x = 20,434,951.68
  5. Step 5: Solve for x
    x = 20,434,951.68/6,903.48
  6. Step 6: Final answer
    x = 2,960.09

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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.