Home / 5,292.77-7,939.44-1,397.07

Finding the Fourth Proportional to 5,292.77, 7,939.44 and 1,397.07

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Solution

The fourth proportional to 5,292.77, 7,939.44 and 1,397.07 is: 2,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.77 : 7,939.44 = 1,397.07 : x
  2. Step 2: Convert to fraction form
    5,292.77/7,939.44 = 1,397.07/x
  3. Step 3: Cross multiply
    5,292.77x = 7,939.44 × 1,397.07
  4. Step 4: Simplify right side
    5,292.77x = 11,091,953.44
  5. Step 5: Solve for x
    x = 11,091,953.44/5,292.77
  6. Step 6: Final answer
    x = 2,095.68

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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.