Home / 5,608.40-8,412.60-2,692.40

Finding the Fourth Proportional to 5,608.40, 8,412.60 and 2,692.40

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Solution

The fourth proportional to 5,608.40, 8,412.60 and 2,692.40 is: 4,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.40 : 8,412.60 = 2,692.40 : x
  2. Step 2: Convert to fraction form
    5,608.40/8,412.60 = 2,692.40/x
  3. Step 3: Cross multiply
    5,608.40x = 8,412.60 × 2,692.40
  4. Step 4: Simplify right side
    5,608.40x = 22,650,084.24
  5. Step 5: Solve for x
    x = 22,650,084.24/5,608.40
  6. Step 6: Final answer
    x = 4,038.60

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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.