Home / 7,809.47-11,714.30-2,615.34

Finding the Fourth Proportional to 7,809.47, 11,714.30 and 2,615.34

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Solution

The fourth proportional to 7,809.47, 11,714.30 and 2,615.34 is: 3,923.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809.47 : 11,714.30 = 2,615.34 : x
  2. Step 2: Convert to fraction form
    7,809.47/11,714.30 = 2,615.34/x
  3. Step 3: Cross multiply
    7,809.47x = 11,714.30 × 2,615.34
  4. Step 4: Simplify right side
    7,809.47x = 30,636,877.36
  5. Step 5: Solve for x
    x = 30,636,877.36/7,809.47
  6. Step 6: Final answer
    x = 3,923.04

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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.