Home / 7,946.77-11,920.16-2,752.64

Finding the Fourth Proportional to 7,946.77, 11,920.16 and 2,752.64

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Solution

The fourth proportional to 7,946.77, 11,920.16 and 2,752.64 is: 4,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.77 : 11,920.16 = 2,752.64 : x
  2. Step 2: Convert to fraction form
    7,946.77/11,920.16 = 2,752.64/x
  3. Step 3: Cross multiply
    7,946.77x = 11,920.16 × 2,752.64
  4. Step 4: Simplify right side
    7,946.77x = 32,811,909.22
  5. Step 5: Solve for x
    x = 32,811,909.22/7,946.77
  6. Step 6: Final answer
    x = 4,128.96

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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.