Home / 6,730.63-9,281.05-4,211.87

Finding the Fourth Proportional to 6,730.63, 9,281.05 and 4,211.87

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Solution

The fourth proportional to 6,730.63, 9,281.05 and 4,211.87 is: 5,807.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,730.63 : 9,281.05 = 4,211.87 : x
  2. Step 2: Convert to fraction form
    6,730.63/9,281.05 = 4,211.87/x
  3. Step 3: Cross multiply
    6,730.63x = 9,281.05 × 4,211.87
  4. Step 4: Simplify right side
    6,730.63x = 39,090,519.13
  5. Step 5: Solve for x
    x = 39,090,519.13/6,730.63
  6. Step 6: Final answer
    x = 5,807.86

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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.