Home / 5,570.84-8,354.80-1,872.31

Finding the Fourth Proportional to 5,570.84, 8,354.80 and 1,872.31

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Solution

The fourth proportional to 5,570.84, 8,354.80 and 1,872.31 is: 2,807.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.84 : 8,354.80 = 1,872.31 : x
  2. Step 2: Convert to fraction form
    5,570.84/8,354.80 = 1,872.31/x
  3. Step 3: Cross multiply
    5,570.84x = 8,354.80 × 1,872.31
  4. Step 4: Simplify right side
    5,570.84x = 15,642,775.59
  5. Step 5: Solve for x
    x = 15,642,775.59/5,570.84
  6. Step 6: Final answer
    x = 2,807.97

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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.