Home / 7,590.12-11,388.70-2,908.57

Finding the Fourth Proportional to 7,590.12, 11,388.70 and 2,908.57

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Solution

The fourth proportional to 7,590.12, 11,388.70 and 2,908.57 is: 4,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.12 : 11,388.70 = 2,908.57 : x
  2. Step 2: Convert to fraction form
    7,590.12/11,388.70 = 2,908.57/x
  3. Step 3: Cross multiply
    7,590.12x = 11,388.70 × 2,908.57
  4. Step 4: Simplify right side
    7,590.12x = 33,124,774.22
  5. Step 5: Solve for x
    x = 33,124,774.22/7,590.12
  6. Step 6: Final answer
    x = 4,364.20

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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.