Home / 5,586.60-8,378.67-1,888.34

Finding the Fourth Proportional to 5,586.60, 8,378.67 and 1,888.34

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Solution

The fourth proportional to 5,586.60, 8,378.67 and 1,888.34 is: 2,832.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.60 : 8,378.67 = 1,888.34 : x
  2. Step 2: Convert to fraction form
    5,586.60/8,378.67 = 1,888.34/x
  3. Step 3: Cross multiply
    5,586.60x = 8,378.67 × 1,888.34
  4. Step 4: Simplify right side
    5,586.60x = 15,821,777.71
  5. Step 5: Solve for x
    x = 15,821,777.71/5,586.60
  6. Step 6: Final answer
    x = 2,832.09

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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.