Home / 5,008.74-7,511.46-1,721.76

Finding the Fourth Proportional to 5,008.74, 7,511.46 and 1,721.76

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Solution

The fourth proportional to 5,008.74, 7,511.46 and 1,721.76 is: 2,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.74 : 7,511.46 = 1,721.76 : x
  2. Step 2: Convert to fraction form
    5,008.74/7,511.46 = 1,721.76/x
  3. Step 3: Cross multiply
    5,008.74x = 7,511.46 × 1,721.76
  4. Step 4: Simplify right side
    5,008.74x = 12,932,931.37
  5. Step 5: Solve for x
    x = 12,932,931.37/5,008.74
  6. Step 6: Final answer
    x = 2,582.07

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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.