Home / 3,675.61-5,507.65-3,125.53

Finding the Fourth Proportional to 3,675.61, 5,507.65 and 3,125.53

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Solution

The fourth proportional to 3,675.61, 5,507.65 and 3,125.53 is: 4,683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.61 : 5,507.65 = 3,125.53 : x
  2. Step 2: Convert to fraction form
    3,675.61/5,507.65 = 3,125.53/x
  3. Step 3: Cross multiply
    3,675.61x = 5,507.65 × 3,125.53
  4. Step 4: Simplify right side
    3,675.61x = 17,214,325.30
  5. Step 5: Solve for x
    x = 17,214,325.30/3,675.61
  6. Step 6: Final answer
    x = 4,683.39

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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.