Home / 6,471.23-9,684.54-3,970.76

Finding the Fourth Proportional to 6,471.23, 9,684.54 and 3,970.76

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Solution

The fourth proportional to 6,471.23, 9,684.54 and 3,970.76 is: 5,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.23 : 9,684.54 = 3,970.76 : x
  2. Step 2: Convert to fraction form
    6,471.23/9,684.54 = 3,970.76/x
  3. Step 3: Cross multiply
    6,471.23x = 9,684.54 × 3,970.76
  4. Step 4: Simplify right side
    6,471.23x = 38,454,935.63
  5. Step 5: Solve for x
    x = 38,454,935.63/6,471.23
  6. Step 6: Final answer
    x = 5,942.45

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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.