Home / 7,706.04-10,630.44-5,188.80

Finding the Fourth Proportional to 7,706.04, 10,630.44 and 5,188.80

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Solution

The fourth proportional to 7,706.04, 10,630.44 and 5,188.80 is: 7,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706.04 : 10,630.44 = 5,188.80 : x
  2. Step 2: Convert to fraction form
    7,706.04/10,630.44 = 5,188.80/x
  3. Step 3: Cross multiply
    7,706.04x = 10,630.44 × 5,188.80
  4. Step 4: Simplify right side
    7,706.04x = 55,159,227.07
  5. Step 5: Solve for x
    x = 55,159,227.07/7,706.04
  6. Step 6: Final answer
    x = 7,157.92

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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.