Home / 7,970.81-11,953.68-2,904.37

Finding the Fourth Proportional to 7,970.81, 11,953.68 and 2,904.37

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Solution

The fourth proportional to 7,970.81, 11,953.68 and 2,904.37 is: 4,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.81 : 11,953.68 = 2,904.37 : x
  2. Step 2: Convert to fraction form
    7,970.81/11,953.68 = 2,904.37/x
  3. Step 3: Cross multiply
    7,970.81x = 11,953.68 × 2,904.37
  4. Step 4: Simplify right side
    7,970.81x = 34,717,868.81
  5. Step 5: Solve for x
    x = 34,717,868.81/7,970.81
  6. Step 6: Final answer
    x = 4,355.63

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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.