Home / 4,712.69-7,068.73-1,790.92

Finding the Fourth Proportional to 4,712.69, 7,068.73 and 1,790.92

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Solution

The fourth proportional to 4,712.69, 7,068.73 and 1,790.92 is: 2,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.69 : 7,068.73 = 1,790.92 : x
  2. Step 2: Convert to fraction form
    4,712.69/7,068.73 = 1,790.92/x
  3. Step 3: Cross multiply
    4,712.69x = 7,068.73 × 1,790.92
  4. Step 4: Simplify right side
    4,712.69x = 12,659,507.78
  5. Step 5: Solve for x
    x = 12,659,507.78/4,712.69
  6. Step 6: Final answer
    x = 2,686.26

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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.