Home / 4,901.81-6,762.85-2,777.13

Finding the Fourth Proportional to 4,901.81, 6,762.85 and 2,777.13

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Solution

The fourth proportional to 4,901.81, 6,762.85 and 2,777.13 is: 3,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.81 : 6,762.85 = 2,777.13 : x
  2. Step 2: Convert to fraction form
    4,901.81/6,762.85 = 2,777.13/x
  3. Step 3: Cross multiply
    4,901.81x = 6,762.85 × 2,777.13
  4. Step 4: Simplify right side
    4,901.81x = 18,781,313.62
  5. Step 5: Solve for x
    x = 18,781,313.62/4,901.81
  6. Step 6: Final answer
    x = 3,831.51

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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.