Home / 5,223.40-7,835.10-2,625.40

Finding the Fourth Proportional to 5,223.40, 7,835.10 and 2,625.40

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Solution

The fourth proportional to 5,223.40, 7,835.10 and 2,625.40 is: 3,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.40 : 7,835.10 = 2,625.40 : x
  2. Step 2: Convert to fraction form
    5,223.40/7,835.10 = 2,625.40/x
  3. Step 3: Cross multiply
    5,223.40x = 7,835.10 × 2,625.40
  4. Step 4: Simplify right side
    5,223.40x = 20,570,271.54
  5. Step 5: Solve for x
    x = 20,570,271.54/5,223.40
  6. Step 6: Final answer
    x = 3,938.10

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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.