Home / 4,999.60-7,499.80-1,711.36

Finding the Fourth Proportional to 4,999.60, 7,499.80 and 1,711.36

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Solution

The fourth proportional to 4,999.60, 7,499.80 and 1,711.36 is: 2,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.60 : 7,499.80 = 1,711.36 : x
  2. Step 2: Convert to fraction form
    4,999.60/7,499.80 = 1,711.36/x
  3. Step 3: Cross multiply
    4,999.60x = 7,499.80 × 1,711.36
  4. Step 4: Simplify right side
    4,999.60x = 12,834,857.73
  5. Step 5: Solve for x
    x = 12,834,857.73/4,999.60
  6. Step 6: Final answer
    x = 2,567.18

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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.