Home / 7,727.84-10,664.44-4,191.06

Finding the Fourth Proportional to 7,727.84, 10,664.44 and 4,191.06

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Solution

The fourth proportional to 7,727.84, 10,664.44 and 4,191.06 is: 5,783.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.84 : 10,664.44 = 4,191.06 : x
  2. Step 2: Convert to fraction form
    7,727.84/10,664.44 = 4,191.06/x
  3. Step 3: Cross multiply
    7,727.84x = 10,664.44 × 4,191.06
  4. Step 4: Simplify right side
    7,727.84x = 44,695,307.91
  5. Step 5: Solve for x
    x = 44,695,307.91/7,727.84
  6. Step 6: Final answer
    x = 5,783.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.