Home / 7,869.44-11,798.76-2,938.16

Finding the Fourth Proportional to 7,869.44, 11,798.76 and 2,938.16

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Solution

The fourth proportional to 7,869.44, 11,798.76 and 2,938.16 is: 4,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.44 : 11,798.76 = 2,938.16 : x
  2. Step 2: Convert to fraction form
    7,869.44/11,798.76 = 2,938.16/x
  3. Step 3: Cross multiply
    7,869.44x = 11,798.76 × 2,938.16
  4. Step 4: Simplify right side
    7,869.44x = 34,666,644.68
  5. Step 5: Solve for x
    x = 34,666,644.68/7,869.44
  6. Step 6: Final answer
    x = 4,405.22

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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.