Home / 7,909.84-11,862.32-2,714.48

Finding the Fourth Proportional to 7,909.84, 11,862.32 and 2,714.48

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Solution

The fourth proportional to 7,909.84, 11,862.32 and 2,714.48 is: 4,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.84 : 11,862.32 = 2,714.48 : x
  2. Step 2: Convert to fraction form
    7,909.84/11,862.32 = 2,714.48/x
  3. Step 3: Cross multiply
    7,909.84x = 11,862.32 × 2,714.48
  4. Step 4: Simplify right side
    7,909.84x = 32,200,030.39
  5. Step 5: Solve for x
    x = 32,200,030.39/7,909.84
  6. Step 6: Final answer
    x = 4,070.88

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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.