Home / 5,580.61-8,370.98-1,685.18

Finding the Fourth Proportional to 5,580.61, 8,370.98 and 1,685.18

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Solution

The fourth proportional to 5,580.61, 8,370.98 and 1,685.18 is: 2,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.61 : 8,370.98 = 1,685.18 : x
  2. Step 2: Convert to fraction form
    5,580.61/8,370.98 = 1,685.18/x
  3. Step 3: Cross multiply
    5,580.61x = 8,370.98 × 1,685.18
  4. Step 4: Simplify right side
    5,580.61x = 14,106,608.08
  5. Step 5: Solve for x
    x = 14,106,608.08/5,580.61
  6. Step 6: Final answer
    x = 2,527.79

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Double scale
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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.