Home / 5,586.30-8,379.09-1,888.20

Finding the Fourth Proportional to 5,586.30, 8,379.09 and 1,888.20

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Solution

The fourth proportional to 5,586.30, 8,379.09 and 1,888.20 is: 2,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.30 : 8,379.09 = 1,888.20 : x
  2. Step 2: Convert to fraction form
    5,586.30/8,379.09 = 1,888.20/x
  3. Step 3: Cross multiply
    5,586.30x = 8,379.09 × 1,888.20
  4. Step 4: Simplify right side
    5,586.30x = 15,821,397.74
  5. Step 5: Solve for x
    x = 15,821,397.74/5,586.30
  6. Step 6: Final answer
    x = 2,832.18

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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.