Home / 5,625.81-8,438.78-2,663.30

Finding the Fourth Proportional to 5,625.81, 8,438.78 and 2,663.30

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Solution

The fourth proportional to 5,625.81, 8,438.78 and 2,663.30 is: 3,994.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.81 : 8,438.78 = 2,663.30 : x
  2. Step 2: Convert to fraction form
    5,625.81/8,438.78 = 2,663.30/x
  3. Step 3: Cross multiply
    5,625.81x = 8,438.78 × 2,663.30
  4. Step 4: Simplify right side
    5,625.81x = 22,475,030.53
  5. Step 5: Solve for x
    x = 22,475,030.53/5,625.81
  6. Step 6: Final answer
    x = 3,994.99

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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.