Home / 7,590.39-11,389.68-3,637.40

Finding the Fourth Proportional to 7,590.39, 11,389.68 and 3,637.40

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Solution

The fourth proportional to 7,590.39, 11,389.68 and 3,637.40 is: 5,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.39 : 11,389.68 = 3,637.40 : x
  2. Step 2: Convert to fraction form
    7,590.39/11,389.68 = 3,637.40/x
  3. Step 3: Cross multiply
    7,590.39x = 11,389.68 × 3,637.40
  4. Step 4: Simplify right side
    7,590.39x = 41,428,765.08
  5. Step 5: Solve for x
    x = 41,428,765.08/7,590.39
  6. Step 6: Final answer
    x = 5,458.05

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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.