Home / 6,666.28-10,002.30-3,740.20

Finding the Fourth Proportional to 6,666.28, 10,002.30 and 3,740.20

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Solution

The fourth proportional to 6,666.28, 10,002.30 and 3,740.20 is: 5,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.28 : 10,002.30 = 3,740.20 : x
  2. Step 2: Convert to fraction form
    6,666.28/10,002.30 = 3,740.20/x
  3. Step 3: Cross multiply
    6,666.28x = 10,002.30 × 3,740.20
  4. Step 4: Simplify right side
    6,666.28x = 37,410,602.46
  5. Step 5: Solve for x
    x = 37,410,602.46/6,666.28
  6. Step 6: Final answer
    x = 5,611.92

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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.