Home / 5,625.31-8,435.12-1,875.75

Finding the Fourth Proportional to 5,625.31, 8,435.12 and 1,875.75

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Solution

The fourth proportional to 5,625.31, 8,435.12 and 1,875.75 is: 2,812.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.31 : 8,435.12 = 1,875.75 : x
  2. Step 2: Convert to fraction form
    5,625.31/8,435.12 = 1,875.75/x
  3. Step 3: Cross multiply
    5,625.31x = 8,435.12 × 1,875.75
  4. Step 4: Simplify right side
    5,625.31x = 15,822,193.33
  5. Step 5: Solve for x
    x = 15,822,193.33/5,625.31
  6. Step 6: Final answer
    x = 2,812.68

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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.