Home / 5,580.12-8,370.18-1,684.32

Finding the Fourth Proportional to 5,580.12, 8,370.18 and 1,684.32

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Solution

The fourth proportional to 5,580.12, 8,370.18 and 1,684.32 is: 2,526.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.12 : 8,370.18 = 1,684.32 : x
  2. Step 2: Convert to fraction form
    5,580.12/8,370.18 = 1,684.32/x
  3. Step 3: Cross multiply
    5,580.12x = 8,370.18 × 1,684.32
  4. Step 4: Simplify right side
    5,580.12x = 14,098,061.58
  5. Step 5: Solve for x
    x = 14,098,061.58/5,580.12
  6. Step 6: Final answer
    x = 2,526.48

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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.