Home / 4,876.60-7,315.44-1,589.80

Finding the Fourth Proportional to 4,876.60, 7,315.44 and 1,589.80

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Solution

The fourth proportional to 4,876.60, 7,315.44 and 1,589.80 is: 2,384.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.60 : 7,315.44 = 1,589.80 : x
  2. Step 2: Convert to fraction form
    4,876.60/7,315.44 = 1,589.80/x
  3. Step 3: Cross multiply
    4,876.60x = 7,315.44 × 1,589.80
  4. Step 4: Simplify right side
    4,876.60x = 11,630,086.51
  5. Step 5: Solve for x
    x = 11,630,086.51/4,876.60
  6. Step 6: Final answer
    x = 2,384.88

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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.