Home / 8,328.02-11,491.07-4,790.34

Finding the Fourth Proportional to 8,328.02, 11,491.07 and 4,790.34

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Solution

The fourth proportional to 8,328.02, 11,491.07 and 4,790.34 is: 6,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.02 : 11,491.07 = 4,790.34 : x
  2. Step 2: Convert to fraction form
    8,328.02/11,491.07 = 4,790.34/x
  3. Step 3: Cross multiply
    8,328.02x = 11,491.07 × 4,790.34
  4. Step 4: Simplify right side
    8,328.02x = 55,046,108.31
  5. Step 5: Solve for x
    x = 55,046,108.31/8,328.02
  6. Step 6: Final answer
    x = 6,609.75

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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.