Home / 6,416.76-9,628.92-2,718.72

Finding the Fourth Proportional to 6,416.76, 9,628.92 and 2,718.72

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Solution

The fourth proportional to 6,416.76, 9,628.92 and 2,718.72 is: 4,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,416.76 : 9,628.92 = 2,718.72 : x
  2. Step 2: Convert to fraction form
    6,416.76/9,628.92 = 2,718.72/x
  3. Step 3: Cross multiply
    6,416.76x = 9,628.92 × 2,718.72
  4. Step 4: Simplify right side
    6,416.76x = 26,178,337.38
  5. Step 5: Solve for x
    x = 26,178,337.38/6,416.76
  6. Step 6: Final answer
    x = 4,079.68

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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.