Home / 5,008.35-7,511.95-1,310.94

Finding the Fourth Proportional to 5,008.35, 7,511.95 and 1,310.94

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Solution

The fourth proportional to 5,008.35, 7,511.95 and 1,310.94 is: 1,966.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.35 : 7,511.95 = 1,310.94 : x
  2. Step 2: Convert to fraction form
    5,008.35/7,511.95 = 1,310.94/x
  3. Step 3: Cross multiply
    5,008.35x = 7,511.95 × 1,310.94
  4. Step 4: Simplify right side
    5,008.35x = 9,847,671.62
  5. Step 5: Solve for x
    x = 9,847,671.62/5,008.35
  6. Step 6: Final answer
    x = 1,966.25

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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.