Home / 4,758.86-7,139.70-1,472.19

Finding the Fourth Proportional to 4,758.86, 7,139.70 and 1,472.19

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Solution

The fourth proportional to 4,758.86, 7,139.70 and 1,472.19 is: 2,208.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.86 : 7,139.70 = 1,472.19 : x
  2. Step 2: Convert to fraction form
    4,758.86/7,139.70 = 1,472.19/x
  3. Step 3: Cross multiply
    4,758.86x = 7,139.70 × 1,472.19
  4. Step 4: Simplify right side
    4,758.86x = 10,510,994.94
  5. Step 5: Solve for x
    x = 10,510,994.94/4,758.86
  6. Step 6: Final answer
    x = 2,208.72

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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.