Home / 7,123.09-10,684.73-4,659.07

Finding the Fourth Proportional to 7,123.09, 10,684.73 and 4,659.07

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Solution

The fourth proportional to 7,123.09, 10,684.73 and 4,659.07 is: 6,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123.09 : 10,684.73 = 4,659.07 : x
  2. Step 2: Convert to fraction form
    7,123.09/10,684.73 = 4,659.07/x
  3. Step 3: Cross multiply
    7,123.09x = 10,684.73 × 4,659.07
  4. Step 4: Simplify right side
    7,123.09x = 49,780,905.00
  5. Step 5: Solve for x
    x = 49,780,905.00/7,123.09
  6. Step 6: Final answer
    x = 6,988.67

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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.