Home / 3,612.79-5,428.32-3,466.99

Finding the Fourth Proportional to 3,612.79, 5,428.32 and 3,466.99

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Solution

The fourth proportional to 3,612.79, 5,428.32 and 3,466.99 is: 5,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.79 : 5,428.32 = 3,466.99 : x
  2. Step 2: Convert to fraction form
    3,612.79/5,428.32 = 3,466.99/x
  3. Step 3: Cross multiply
    3,612.79x = 5,428.32 × 3,466.99
  4. Step 4: Simplify right side
    3,612.79x = 18,819,931.16
  5. Step 5: Solve for x
    x = 18,819,931.16/3,612.79
  6. Step 6: Final answer
    x = 5,209.25

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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.