Home / 4,272.50-6,406.16-2,079.02

Finding the Fourth Proportional to 4,272.50, 6,406.16 and 2,079.02

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Solution

The fourth proportional to 4,272.50, 6,406.16 and 2,079.02 is: 3,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.50 : 6,406.16 = 2,079.02 : x
  2. Step 2: Convert to fraction form
    4,272.50/6,406.16 = 2,079.02/x
  3. Step 3: Cross multiply
    4,272.50x = 6,406.16 × 2,079.02
  4. Step 4: Simplify right side
    4,272.50x = 13,318,492.34
  5. Step 5: Solve for x
    x = 13,318,492.34/4,272.50
  6. Step 6: Final answer
    x = 3,117.26

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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.