Home / 5,398-8,088.56-4,225.12

Finding the Fourth Proportional to 5,398, 8,088.56 and 4,225.12

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Solution

The fourth proportional to 5,398, 8,088.56 and 4,225.12 is: 6,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398 : 8,088.56 = 4,225.12 : x
  2. Step 2: Convert to fraction form
    5,398/8,088.56 = 4,225.12/x
  3. Step 3: Cross multiply
    5,398x = 8,088.56 × 4,225.12
  4. Step 4: Simplify right side
    5,398x = 34,175,136.63
  5. Step 5: Solve for x
    x = 34,175,136.63/5,398
  6. Step 6: Final answer
    x = 6,331.07

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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.