Home / 7,509.90-11,264.58-2,830.63

Finding the Fourth Proportional to 7,509.90, 11,264.58 and 2,830.63

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Solution

The fourth proportional to 7,509.90, 11,264.58 and 2,830.63 is: 4,245.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.90 : 11,264.58 = 2,830.63 : x
  2. Step 2: Convert to fraction form
    7,509.90/11,264.58 = 2,830.63/x
  3. Step 3: Cross multiply
    7,509.90x = 11,264.58 × 2,830.63
  4. Step 4: Simplify right side
    7,509.90x = 31,885,858.09
  5. Step 5: Solve for x
    x = 31,885,858.09/7,509.90
  6. Step 6: Final answer
    x = 4,245.84

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Half scale
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Double scale
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Similar ratio
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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.