Home / 4,090.66-6,132.40-1,457.76

Finding the Fourth Proportional to 4,090.66, 6,132.40 and 1,457.76

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Solution

The fourth proportional to 4,090.66, 6,132.40 and 1,457.76 is: 2,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.66 : 6,132.40 = 1,457.76 : x
  2. Step 2: Convert to fraction form
    4,090.66/6,132.40 = 1,457.76/x
  3. Step 3: Cross multiply
    4,090.66x = 6,132.40 × 1,457.76
  4. Step 4: Simplify right side
    4,090.66x = 8,939,567.42
  5. Step 5: Solve for x
    x = 8,939,567.42/4,090.66
  6. Step 6: Final answer
    x = 2,185.36

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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.