Home / 5,101.60-7,652.64-1,814.72

Finding the Fourth Proportional to 5,101.60, 7,652.64 and 1,814.72

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Solution

The fourth proportional to 5,101.60, 7,652.64 and 1,814.72 is: 2,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.60 : 7,652.64 = 1,814.72 : x
  2. Step 2: Convert to fraction form
    5,101.60/7,652.64 = 1,814.72/x
  3. Step 3: Cross multiply
    5,101.60x = 7,652.64 × 1,814.72
  4. Step 4: Simplify right side
    5,101.60x = 13,887,398.86
  5. Step 5: Solve for x
    x = 13,887,398.86/5,101.60
  6. Step 6: Final answer
    x = 2,722.17

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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.