Home / 3,750.24-5,625.72-976.90

Finding the Fourth Proportional to 3,750.24, 5,625.72 and 976.90

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Solution

The fourth proportional to 3,750.24, 5,625.72 and 976.90 is: 1,465.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.24 : 5,625.72 = 976.90 : x
  2. Step 2: Convert to fraction form
    3,750.24/5,625.72 = 976.90/x
  3. Step 3: Cross multiply
    3,750.24x = 5,625.72 × 976.90
  4. Step 4: Simplify right side
    3,750.24x = 5,495,765.87
  5. Step 5: Solve for x
    x = 5,495,765.87/3,750.24
  6. Step 6: Final answer
    x = 1,465.44

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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.