Home / 5,137.74-7,089.93-2,899.59

Finding the Fourth Proportional to 5,137.74, 7,089.93 and 2,899.59

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Solution

The fourth proportional to 5,137.74, 7,089.93 and 2,899.59 is: 4,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.74 : 7,089.93 = 2,899.59 : x
  2. Step 2: Convert to fraction form
    5,137.74/7,089.93 = 2,899.59/x
  3. Step 3: Cross multiply
    5,137.74x = 7,089.93 × 2,899.59
  4. Step 4: Simplify right side
    5,137.74x = 20,557,890.13
  5. Step 5: Solve for x
    x = 20,557,890.13/5,137.74
  6. Step 6: Final answer
    x = 4,001.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.