Home / 5,621.60-8,432.40-2,334.32

Finding the Fourth Proportional to 5,621.60, 8,432.40 and 2,334.32

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Solution

The fourth proportional to 5,621.60, 8,432.40 and 2,334.32 is: 3,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.60 : 8,432.40 = 2,334.32 : x
  2. Step 2: Convert to fraction form
    5,621.60/8,432.40 = 2,334.32/x
  3. Step 3: Cross multiply
    5,621.60x = 8,432.40 × 2,334.32
  4. Step 4: Simplify right side
    5,621.60x = 19,683,918.18
  5. Step 5: Solve for x
    x = 19,683,918.18/5,621.60
  6. Step 6: Final answer
    x = 3,501.48

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Similar ratio
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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.