Home / 7,387.84-11,083.56-2,457.46

Finding the Fourth Proportional to 7,387.84, 11,083.56 and 2,457.46

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Solution

The fourth proportional to 7,387.84, 11,083.56 and 2,457.46 is: 3,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.84 : 11,083.56 = 2,457.46 : x
  2. Step 2: Convert to fraction form
    7,387.84/11,083.56 = 2,457.46/x
  3. Step 3: Cross multiply
    7,387.84x = 11,083.56 × 2,457.46
  4. Step 4: Simplify right side
    7,387.84x = 27,237,405.36
  5. Step 5: Solve for x
    x = 27,237,405.36/7,387.84
  6. Step 6: Final answer
    x = 3,686.79

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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.