Home / 5,090.42-7,631.58-2,900.18

Finding the Fourth Proportional to 5,090.42, 7,631.58 and 2,900.18

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Solution

The fourth proportional to 5,090.42, 7,631.58 and 2,900.18 is: 4,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.42 : 7,631.58 = 2,900.18 : x
  2. Step 2: Convert to fraction form
    5,090.42/7,631.58 = 2,900.18/x
  3. Step 3: Cross multiply
    5,090.42x = 7,631.58 × 2,900.18
  4. Step 4: Simplify right side
    5,090.42x = 22,132,955.68
  5. Step 5: Solve for x
    x = 22,132,955.68/5,090.42
  6. Step 6: Final answer
    x = 4,347.96

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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.