Home / 7,831.07-11,746.60-4,565.15

Finding the Fourth Proportional to 7,831.07, 11,746.60 and 4,565.15

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Solution

The fourth proportional to 7,831.07, 11,746.60 and 4,565.15 is: 6,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.07 : 11,746.60 = 4,565.15 : x
  2. Step 2: Convert to fraction form
    7,831.07/11,746.60 = 4,565.15/x
  3. Step 3: Cross multiply
    7,831.07x = 11,746.60 × 4,565.15
  4. Step 4: Simplify right side
    7,831.07x = 53,624,990.99
  5. Step 5: Solve for x
    x = 53,624,990.99/7,831.07
  6. Step 6: Final answer
    x = 6,847.72

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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.