Home / 5,113.81-7,669.05-1,650.25

Finding the Fourth Proportional to 5,113.81, 7,669.05 and 1,650.25

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Solution

The fourth proportional to 5,113.81, 7,669.05 and 1,650.25 is: 2,474.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.81 : 7,669.05 = 1,650.25 : x
  2. Step 2: Convert to fraction form
    5,113.81/7,669.05 = 1,650.25/x
  3. Step 3: Cross multiply
    5,113.81x = 7,669.05 × 1,650.25
  4. Step 4: Simplify right side
    5,113.81x = 12,655,849.76
  5. Step 5: Solve for x
    x = 12,655,849.76/5,113.81
  6. Step 6: Final answer
    x = 2,474.84

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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.