Home / 4,903.40-7,349.10-2,126.80

Finding the Fourth Proportional to 4,903.40, 7,349.10 and 2,126.80

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Solution

The fourth proportional to 4,903.40, 7,349.10 and 2,126.80 is: 3,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.40 : 7,349.10 = 2,126.80 : x
  2. Step 2: Convert to fraction form
    4,903.40/7,349.10 = 2,126.80/x
  3. Step 3: Cross multiply
    4,903.40x = 7,349.10 × 2,126.80
  4. Step 4: Simplify right side
    4,903.40x = 15,630,065.88
  5. Step 5: Solve for x
    x = 15,630,065.88/4,903.40
  6. Step 6: Final answer
    x = 3,187.60

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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.