Home / 4,985.73-6,882.93-3,864.15

Finding the Fourth Proportional to 4,985.73, 6,882.93 and 3,864.15

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Solution

The fourth proportional to 4,985.73, 6,882.93 and 3,864.15 is: 5,334.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.73 : 6,882.93 = 3,864.15 : x
  2. Step 2: Convert to fraction form
    4,985.73/6,882.93 = 3,864.15/x
  3. Step 3: Cross multiply
    4,985.73x = 6,882.93 × 3,864.15
  4. Step 4: Simplify right side
    4,985.73x = 26,596,673.96
  5. Step 5: Solve for x
    x = 26,596,673.96/4,985.73
  6. Step 6: Final answer
    x = 5,334.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.