Home / 7,126.20-9,833.40-4,772.88

Finding the Fourth Proportional to 7,126.20, 9,833.40 and 4,772.88

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Solution

The fourth proportional to 7,126.20, 9,833.40 and 4,772.88 is: 6,586.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.20 : 9,833.40 = 4,772.88 : x
  2. Step 2: Convert to fraction form
    7,126.20/9,833.40 = 4,772.88/x
  3. Step 3: Cross multiply
    7,126.20x = 9,833.40 × 4,772.88
  4. Step 4: Simplify right side
    7,126.20x = 46,933,638.19
  5. Step 5: Solve for x
    x = 46,933,638.19/7,126.20
  6. Step 6: Final answer
    x = 6,586.07

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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.