Home / 4,903.40-7,358.57-2,130.88

Finding the Fourth Proportional to 4,903.40, 7,358.57 and 2,130.88

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Solution

The fourth proportional to 4,903.40, 7,358.57 and 2,130.88 is: 3,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.40 : 7,358.57 = 2,130.88 : x
  2. Step 2: Convert to fraction form
    4,903.40/7,358.57 = 2,130.88/x
  3. Step 3: Cross multiply
    4,903.40x = 7,358.57 × 2,130.88
  4. Step 4: Simplify right side
    4,903.40x = 15,680,200.59
  5. Step 5: Solve for x
    x = 15,680,200.59/4,903.40
  6. Step 6: Final answer
    x = 3,197.83

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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.