Home / 6,882.47-10,323.75-1,688.34

Finding the Fourth Proportional to 6,882.47, 10,323.75 and 1,688.34

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Solution

The fourth proportional to 6,882.47, 10,323.75 and 1,688.34 is: 2,532.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,882.47 : 10,323.75 = 1,688.34 : x
  2. Step 2: Convert to fraction form
    6,882.47/10,323.75 = 1,688.34/x
  3. Step 3: Cross multiply
    6,882.47x = 10,323.75 × 1,688.34
  4. Step 4: Simplify right side
    6,882.47x = 17,430,045.12
  5. Step 5: Solve for x
    x = 17,430,045.12/6,882.47
  6. Step 6: Final answer
    x = 2,532.53

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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.