Home / 7,143.34-10,718.67-6,602.05

Finding the Fourth Proportional to 7,143.34, 10,718.67 and 6,602.05

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Solution

The fourth proportional to 7,143.34, 10,718.67 and 6,602.05 is: 9,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143.34 : 10,718.67 = 6,602.05 : x
  2. Step 2: Convert to fraction form
    7,143.34/10,718.67 = 6,602.05/x
  3. Step 3: Cross multiply
    7,143.34x = 10,718.67 × 6,602.05
  4. Step 4: Simplify right side
    7,143.34x = 70,765,195.27
  5. Step 5: Solve for x
    x = 70,765,195.27/7,143.34
  6. Step 6: Final answer
    x = 9,906.46

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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.