Home / 5,569.99-8,355.89-1,872.45

Finding the Fourth Proportional to 5,569.99, 8,355.89 and 1,872.45

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Solution

The fourth proportional to 5,569.99, 8,355.89 and 1,872.45 is: 2,808.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.99 : 8,355.89 = 1,872.45 : x
  2. Step 2: Convert to fraction form
    5,569.99/8,355.89 = 1,872.45/x
  3. Step 3: Cross multiply
    5,569.99x = 8,355.89 × 1,872.45
  4. Step 4: Simplify right side
    5,569.99x = 15,645,990.91
  5. Step 5: Solve for x
    x = 15,645,990.91/5,569.99
  6. Step 6: Final answer
    x = 2,808.98

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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.