Home / 4,560.21-6,840.32-1,440.23

Finding the Fourth Proportional to 4,560.21, 6,840.32 and 1,440.23

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Solution

The fourth proportional to 4,560.21, 6,840.32 and 1,440.23 is: 2,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,560.21 : 6,840.32 = 1,440.23 : x
  2. Step 2: Convert to fraction form
    4,560.21/6,840.32 = 1,440.23/x
  3. Step 3: Cross multiply
    4,560.21x = 6,840.32 × 1,440.23
  4. Step 4: Simplify right side
    4,560.21x = 9,851,592.67
  5. Step 5: Solve for x
    x = 9,851,592.67/4,560.21
  6. Step 6: Final answer
    x = 2,160.34

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Double scale
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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.