Home / 5,212.47-7,814.80-1,924.95

Finding the Fourth Proportional to 5,212.47, 7,814.80 and 1,924.95

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Solution

The fourth proportional to 5,212.47, 7,814.80 and 1,924.95 is: 2,885.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.47 : 7,814.80 = 1,924.95 : x
  2. Step 2: Convert to fraction form
    5,212.47/7,814.80 = 1,924.95/x
  3. Step 3: Cross multiply
    5,212.47x = 7,814.80 × 1,924.95
  4. Step 4: Simplify right side
    5,212.47x = 15,043,099.26
  5. Step 5: Solve for x
    x = 15,043,099.26/5,212.47
  6. Step 6: Final answer
    x = 2,885.98

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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.