Home / 5,090.58-7,636.01-2,457.68

Finding the Fourth Proportional to 5,090.58, 7,636.01 and 2,457.68

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Solution

The fourth proportional to 5,090.58, 7,636.01 and 2,457.68 is: 3,686.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.58 : 7,636.01 = 2,457.68 : x
  2. Step 2: Convert to fraction form
    5,090.58/7,636.01 = 2,457.68/x
  3. Step 3: Cross multiply
    5,090.58x = 7,636.01 × 2,457.68
  4. Step 4: Simplify right side
    5,090.58x = 18,766,818.59
  5. Step 5: Solve for x
    x = 18,766,818.59/5,090.58
  6. Step 6: Final answer
    x = 3,686.58

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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.