Home / 8,328.20-11,492.56-4,551.49

Finding the Fourth Proportional to 8,328.20, 11,492.56 and 4,551.49

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Solution

The fourth proportional to 8,328.20, 11,492.56 and 4,551.49 is: 6,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.20 : 11,492.56 = 4,551.49 : x
  2. Step 2: Convert to fraction form
    8,328.20/11,492.56 = 4,551.49/x
  3. Step 3: Cross multiply
    8,328.20x = 11,492.56 × 4,551.49
  4. Step 4: Simplify right side
    8,328.20x = 52,308,271.91
  5. Step 5: Solve for x
    x = 52,308,271.91/8,328.20
  6. Step 6: Final answer
    x = 6,280.86

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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.