Home / 5,252.34-7,878.60-1,356.60

Finding the Fourth Proportional to 5,252.34, 7,878.60 and 1,356.60

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Solution

The fourth proportional to 5,252.34, 7,878.60 and 1,356.60 is: 2,034.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.34 : 7,878.60 = 1,356.60 : x
  2. Step 2: Convert to fraction form
    5,252.34/7,878.60 = 1,356.60/x
  3. Step 3: Cross multiply
    5,252.34x = 7,878.60 × 1,356.60
  4. Step 4: Simplify right side
    5,252.34x = 10,688,108.76
  5. Step 5: Solve for x
    x = 10,688,108.76/5,252.34
  6. Step 6: Final answer
    x = 2,034.92

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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.