Home / 4,639.69-6,402.80-2,776.69

Finding the Fourth Proportional to 4,639.69, 6,402.80 and 2,776.69

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Solution

The fourth proportional to 4,639.69, 6,402.80 and 2,776.69 is: 3,831.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.69 : 6,402.80 = 2,776.69 : x
  2. Step 2: Convert to fraction form
    4,639.69/6,402.80 = 2,776.69/x
  3. Step 3: Cross multiply
    4,639.69x = 6,402.80 × 2,776.69
  4. Step 4: Simplify right side
    4,639.69x = 17,778,560.84
  5. Step 5: Solve for x
    x = 17,778,560.84/4,639.69
  6. Step 6: Final answer
    x = 3,831.84

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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.