Home / 7,895.32-11,831.68-5,798.88

Finding the Fourth Proportional to 7,895.32, 11,831.68 and 5,798.88

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Solution

The fourth proportional to 7,895.32, 11,831.68 and 5,798.88 is: 8,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.32 : 11,831.68 = 5,798.88 : x
  2. Step 2: Convert to fraction form
    7,895.32/11,831.68 = 5,798.88/x
  3. Step 3: Cross multiply
    7,895.32x = 11,831.68 × 5,798.88
  4. Step 4: Simplify right side
    7,895.32x = 68,610,492.52
  5. Step 5: Solve for x
    x = 68,610,492.52/7,895.32
  6. Step 6: Final answer
    x = 8,690.02

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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.