Home / 7,187.49-10,786.14-2,507.52

Finding the Fourth Proportional to 7,187.49, 10,786.14 and 2,507.52

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Solution

The fourth proportional to 7,187.49, 10,786.14 and 2,507.52 is: 3,762.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.49 : 10,786.14 = 2,507.52 : x
  2. Step 2: Convert to fraction form
    7,187.49/10,786.14 = 2,507.52/x
  3. Step 3: Cross multiply
    7,187.49x = 10,786.14 × 2,507.52
  4. Step 4: Simplify right side
    7,187.49x = 27,046,461.77
  5. Step 5: Solve for x
    x = 27,046,461.77/7,187.49
  6. Step 6: Final answer
    x = 3,762.99

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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.