Home / 5,325.03-7,988.90-1,627.11

Finding the Fourth Proportional to 5,325.03, 7,988.90 and 1,627.11

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Solution

The fourth proportional to 5,325.03, 7,988.90 and 1,627.11 is: 2,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.03 : 7,988.90 = 1,627.11 : x
  2. Step 2: Convert to fraction form
    5,325.03/7,988.90 = 1,627.11/x
  3. Step 3: Cross multiply
    5,325.03x = 7,988.90 × 1,627.11
  4. Step 4: Simplify right side
    5,325.03x = 12,998,810.94
  5. Step 5: Solve for x
    x = 12,998,810.94/5,325.03
  6. Step 6: Final answer
    x = 2,441.08

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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.