Home / 8,278.16-11,433.64-6,376.24

Finding the Fourth Proportional to 8,278.16, 11,433.64 and 6,376.24

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Solution

The fourth proportional to 8,278.16, 11,433.64 and 6,376.24 is: 8,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.16 : 11,433.64 = 6,376.24 : x
  2. Step 2: Convert to fraction form
    8,278.16/11,433.64 = 6,376.24/x
  3. Step 3: Cross multiply
    8,278.16x = 11,433.64 × 6,376.24
  4. Step 4: Simplify right side
    8,278.16x = 72,903,632.71
  5. Step 5: Solve for x
    x = 72,903,632.71/8,278.16
  6. Step 6: Final answer
    x = 8,806.74

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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.