Home / 10,292.28-15,438.39-3,718.46

Finding the Fourth Proportional to 10,292.28, 15,438.39 and 3,718.46

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Solution

The fourth proportional to 10,292.28, 15,438.39 and 3,718.46 is: 5,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.28 : 15,438.39 = 3,718.46 : x
  2. Step 2: Convert to fraction form
    10,292.28/15,438.39 = 3,718.46/x
  3. Step 3: Cross multiply
    10,292.28x = 15,438.39 × 3,718.46
  4. Step 4: Simplify right side
    10,292.28x = 57,406,958.49
  5. Step 5: Solve for x
    x = 57,406,958.49/10,292.28
  6. Step 6: Final answer
    x = 5,577.67

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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.