Home / 9,297.95-12,831.26-5,106.20

Finding the Fourth Proportional to 9,297.95, 12,831.26 and 5,106.20

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Solution

The fourth proportional to 9,297.95, 12,831.26 and 5,106.20 is: 7,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,297.95 : 12,831.26 = 5,106.20 : x
  2. Step 2: Convert to fraction form
    9,297.95/12,831.26 = 5,106.20/x
  3. Step 3: Cross multiply
    9,297.95x = 12,831.26 × 5,106.20
  4. Step 4: Simplify right side
    9,297.95x = 65,518,890.12
  5. Step 5: Solve for x
    x = 65,518,890.12/9,297.95
  6. Step 6: Final answer
    x = 7,046.60

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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.