Home / 5,104.35-7,044.47-2,980.91

Finding the Fourth Proportional to 5,104.35, 7,044.47 and 2,980.91

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Solution

The fourth proportional to 5,104.35, 7,044.47 and 2,980.91 is: 4,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.35 : 7,044.47 = 2,980.91 : x
  2. Step 2: Convert to fraction form
    5,104.35/7,044.47 = 2,980.91/x
  3. Step 3: Cross multiply
    5,104.35x = 7,044.47 × 2,980.91
  4. Step 4: Simplify right side
    5,104.35x = 20,998,931.07
  5. Step 5: Solve for x
    x = 20,998,931.07/5,104.35
  6. Step 6: Final answer
    x = 4,113.93

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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.