Home / 8,281.07-11,427.87-4,555.07

Finding the Fourth Proportional to 8,281.07, 11,427.87 and 4,555.07

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Solution

The fourth proportional to 8,281.07, 11,427.87 and 4,555.07 is: 6,285.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.07 : 11,427.87 = 4,555.07 : x
  2. Step 2: Convert to fraction form
    8,281.07/11,427.87 = 4,555.07/x
  3. Step 3: Cross multiply
    8,281.07x = 11,427.87 × 4,555.07
  4. Step 4: Simplify right side
    8,281.07x = 52,054,747.80
  5. Step 5: Solve for x
    x = 52,054,747.80/8,281.07
  6. Step 6: Final answer
    x = 6,285.99

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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.