Home / 6,631.22-9,946.38-4,785.68

Finding the Fourth Proportional to 6,631.22, 9,946.38 and 4,785.68

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Solution

The fourth proportional to 6,631.22, 9,946.38 and 4,785.68 is: 7,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.22 : 9,946.38 = 4,785.68 : x
  2. Step 2: Convert to fraction form
    6,631.22/9,946.38 = 4,785.68/x
  3. Step 3: Cross multiply
    6,631.22x = 9,946.38 × 4,785.68
  4. Step 4: Simplify right side
    6,631.22x = 47,600,191.84
  5. Step 5: Solve for x
    x = 47,600,191.84/6,631.22
  6. Step 6: Final answer
    x = 7,178.20

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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.