Home / 5,273.40-7,911.48-1,575.64

Finding the Fourth Proportional to 5,273.40, 7,911.48 and 1,575.64

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Solution

The fourth proportional to 5,273.40, 7,911.48 and 1,575.64 is: 2,363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.40 : 7,911.48 = 1,575.64 : x
  2. Step 2: Convert to fraction form
    5,273.40/7,911.48 = 1,575.64/x
  3. Step 3: Cross multiply
    5,273.40x = 7,911.48 × 1,575.64
  4. Step 4: Simplify right side
    5,273.40x = 12,465,644.35
  5. Step 5: Solve for x
    x = 12,465,644.35/5,273.40
  6. Step 6: Final answer
    x = 2,363.87

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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.