Home / 8,280.50-11,427.27-4,554.50

Finding the Fourth Proportional to 8,280.50, 11,427.27 and 4,554.50

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Solution

The fourth proportional to 8,280.50, 11,427.27 and 4,554.50 is: 6,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.50 : 11,427.27 = 4,554.50 : x
  2. Step 2: Convert to fraction form
    8,280.50/11,427.27 = 4,554.50/x
  3. Step 3: Cross multiply
    8,280.50x = 11,427.27 × 4,554.50
  4. Step 4: Simplify right side
    8,280.50x = 52,045,501.22
  5. Step 5: Solve for x
    x = 52,045,501.22/8,280.50
  6. Step 6: Final answer
    x = 6,285.31

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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.