Home / 5,211.52-7,816.40-1,701.60

Finding the Fourth Proportional to 5,211.52, 7,816.40 and 1,701.60

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Solution

The fourth proportional to 5,211.52, 7,816.40 and 1,701.60 is: 2,552.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.52 : 7,816.40 = 1,701.60 : x
  2. Step 2: Convert to fraction form
    5,211.52/7,816.40 = 1,701.60/x
  3. Step 3: Cross multiply
    5,211.52x = 7,816.40 × 1,701.60
  4. Step 4: Simplify right side
    5,211.52x = 13,300,386.24
  5. Step 5: Solve for x
    x = 13,300,386.24/5,211.52
  6. Step 6: Final answer
    x = 2,552.11

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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.