Home / 7,639.64-11,462.76-2,962.88

Finding the Fourth Proportional to 7,639.64, 11,462.76 and 2,962.88

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Solution

The fourth proportional to 7,639.64, 11,462.76 and 2,962.88 is: 4,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.64 : 11,462.76 = 2,962.88 : x
  2. Step 2: Convert to fraction form
    7,639.64/11,462.76 = 2,962.88/x
  3. Step 3: Cross multiply
    7,639.64x = 11,462.76 × 2,962.88
  4. Step 4: Simplify right side
    7,639.64x = 33,962,782.35
  5. Step 5: Solve for x
    x = 33,962,782.35/7,639.64
  6. Step 6: Final answer
    x = 4,445.60

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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.