Home / 5,288.60-7,298.49-2,930.58

Finding the Fourth Proportional to 5,288.60, 7,298.49 and 2,930.58

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Solution

The fourth proportional to 5,288.60, 7,298.49 and 2,930.58 is: 4,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.60 : 7,298.49 = 2,930.58 : x
  2. Step 2: Convert to fraction form
    5,288.60/7,298.49 = 2,930.58/x
  3. Step 3: Cross multiply
    5,288.60x = 7,298.49 × 2,930.58
  4. Step 4: Simplify right side
    5,288.60x = 21,388,808.82
  5. Step 5: Solve for x
    x = 21,388,808.82/5,288.60
  6. Step 6: Final answer
    x = 4,044.33

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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.