Home / 4,753.42-7,130.04-1,290.70

Finding the Fourth Proportional to 4,753.42, 7,130.04 and 1,290.70

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Solution

The fourth proportional to 4,753.42, 7,130.04 and 1,290.70 is: 1,936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.42 : 7,130.04 = 1,290.70 : x
  2. Step 2: Convert to fraction form
    4,753.42/7,130.04 = 1,290.70/x
  3. Step 3: Cross multiply
    4,753.42x = 7,130.04 × 1,290.70
  4. Step 4: Simplify right side
    4,753.42x = 9,202,742.63
  5. Step 5: Solve for x
    x = 9,202,742.63/4,753.42
  6. Step 6: Final answer
    x = 1,936.03

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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.