Home / 7,590.83-11,389.75-2,909.30

Finding the Fourth Proportional to 7,590.83, 11,389.75 and 2,909.30

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Solution

The fourth proportional to 7,590.83, 11,389.75 and 2,909.30 is: 4,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.83 : 11,389.75 = 2,909.30 : x
  2. Step 2: Convert to fraction form
    7,590.83/11,389.75 = 2,909.30/x
  3. Step 3: Cross multiply
    7,590.83x = 11,389.75 × 2,909.30
  4. Step 4: Simplify right side
    7,590.83x = 33,136,135.45
  5. Step 5: Solve for x
    x = 33,136,135.45/7,590.83
  6. Step 6: Final answer
    x = 4,365.29

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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.