Home / 4,777.86-7,166.34-1,489.16

Finding the Fourth Proportional to 4,777.86, 7,166.34 and 1,489.16

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Solution

The fourth proportional to 4,777.86, 7,166.34 and 1,489.16 is: 2,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.86 : 7,166.34 = 1,489.16 : x
  2. Step 2: Convert to fraction form
    4,777.86/7,166.34 = 1,489.16/x
  3. Step 3: Cross multiply
    4,777.86x = 7,166.34 × 1,489.16
  4. Step 4: Simplify right side
    4,777.86x = 10,671,826.87
  5. Step 5: Solve for x
    x = 10,671,826.87/4,777.86
  6. Step 6: Final answer
    x = 2,233.60

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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.