Home / 5,551.30-8,302.65-4,239.10

Finding the Fourth Proportional to 5,551.30, 8,302.65 and 4,239.10

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Solution

The fourth proportional to 5,551.30, 8,302.65 and 4,239.10 is: 6,340.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.30 : 8,302.65 = 4,239.10 : x
  2. Step 2: Convert to fraction form
    5,551.30/8,302.65 = 4,239.10/x
  3. Step 3: Cross multiply
    5,551.30x = 8,302.65 × 4,239.10
  4. Step 4: Simplify right side
    5,551.30x = 35,195,763.62
  5. Step 5: Solve for x
    x = 35,195,763.62/5,551.30
  6. Step 6: Final answer
    x = 6,340.09

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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.