Home / 4,831.12-6,666.76-2,735.12

Finding the Fourth Proportional to 4,831.12, 6,666.76 and 2,735.12

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Solution

The fourth proportional to 4,831.12, 6,666.76 and 2,735.12 is: 3,774.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.12 : 6,666.76 = 2,735.12 : x
  2. Step 2: Convert to fraction form
    4,831.12/6,666.76 = 2,735.12/x
  3. Step 3: Cross multiply
    4,831.12x = 6,666.76 × 2,735.12
  4. Step 4: Simplify right side
    4,831.12x = 18,234,388.61
  5. Step 5: Solve for x
    x = 18,234,388.61/4,831.12
  6. Step 6: Final answer
    x = 3,774.36

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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.