Home / 7,946.58-11,919.88-2,752.45

Finding the Fourth Proportional to 7,946.58, 11,919.88 and 2,752.45

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Solution

The fourth proportional to 7,946.58, 11,919.88 and 2,752.45 is: 4,128.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.58 : 11,919.88 = 2,752.45 : x
  2. Step 2: Convert to fraction form
    7,946.58/11,919.88 = 2,752.45/x
  3. Step 3: Cross multiply
    7,946.58x = 11,919.88 × 2,752.45
  4. Step 4: Simplify right side
    7,946.58x = 32,808,898.91
  5. Step 5: Solve for x
    x = 32,808,898.91/7,946.58
  6. Step 6: Final answer
    x = 4,128.68

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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.