Home / 3,750.10-5,625.34-976.76

Finding the Fourth Proportional to 3,750.10, 5,625.34 and 976.76

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Solution

The fourth proportional to 3,750.10, 5,625.34 and 976.76 is: 1,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.10 : 5,625.34 = 976.76 : x
  2. Step 2: Convert to fraction form
    3,750.10/5,625.34 = 976.76/x
  3. Step 3: Cross multiply
    3,750.10x = 5,625.34 × 976.76
  4. Step 4: Simplify right side
    3,750.10x = 5,494,607.10
  5. Step 5: Solve for x
    x = 5,494,607.10/3,750.10
  6. Step 6: Final answer
    x = 1,465.19

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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.