Home / 5,715.06-8,573.40-2,429.70

Finding the Fourth Proportional to 5,715.06, 8,573.40 and 2,429.70

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Solution

The fourth proportional to 5,715.06, 8,573.40 and 2,429.70 is: 3,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.06 : 8,573.40 = 2,429.70 : x
  2. Step 2: Convert to fraction form
    5,715.06/8,573.40 = 2,429.70/x
  3. Step 3: Cross multiply
    5,715.06x = 8,573.40 × 2,429.70
  4. Step 4: Simplify right side
    5,715.06x = 20,830,789.98
  5. Step 5: Solve for x
    x = 20,830,789.98/5,715.06
  6. Step 6: Final answer
    x = 3,644.89

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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.