Home / 7,831.41-11,746.88-2,900.94

Finding the Fourth Proportional to 7,831.41, 11,746.88 and 2,900.94

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Solution

The fourth proportional to 7,831.41, 11,746.88 and 2,900.94 is: 4,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.41 : 11,746.88 = 2,900.94 : x
  2. Step 2: Convert to fraction form
    7,831.41/11,746.88 = 2,900.94/x
  3. Step 3: Cross multiply
    7,831.41x = 11,746.88 × 2,900.94
  4. Step 4: Simplify right side
    7,831.41x = 34,077,001.32
  5. Step 5: Solve for x
    x = 34,077,001.32/7,831.41
  6. Step 6: Final answer
    x = 4,351.32

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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.