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Finding the Fourth Proportional to 4,498.40, 6,747.60 and 4,328.30

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Solution

The fourth proportional to 4,498.40, 6,747.60 and 4,328.30 is: 6,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,498.40 : 6,747.60 = 4,328.30 : x
  2. Step 2: Convert to fraction form
    4,498.40/6,747.60 = 4,328.30/x
  3. Step 3: Cross multiply
    4,498.40x = 6,747.60 × 4,328.30
  4. Step 4: Simplify right side
    4,498.40x = 29,205,637.08
  5. Step 5: Solve for x
    x = 29,205,637.08/4,498.40
  6. Step 6: Final answer
    x = 6,492.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.