Home / 4,858.85-7,287.87-2,909.63

Finding the Fourth Proportional to 4,858.85, 7,287.87 and 2,909.63

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Solution

The fourth proportional to 4,858.85, 7,287.87 and 2,909.63 is: 4,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,858.85 : 7,287.87 = 2,909.63 : x
  2. Step 2: Convert to fraction form
    4,858.85/7,287.87 = 2,909.63/x
  3. Step 3: Cross multiply
    4,858.85x = 7,287.87 × 2,909.63
  4. Step 4: Simplify right side
    4,858.85x = 21,205,005.19
  5. Step 5: Solve for x
    x = 21,205,005.19/4,858.85
  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.