Home / 4,356.60-6,530.16-1,432.80

Finding the Fourth Proportional to 4,356.60, 6,530.16 and 1,432.80

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Solution

The fourth proportional to 4,356.60, 6,530.16 and 1,432.80 is: 2,147.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,356.60 : 6,530.16 = 1,432.80 : x
  2. Step 2: Convert to fraction form
    4,356.60/6,530.16 = 1,432.80/x
  3. Step 3: Cross multiply
    4,356.60x = 6,530.16 × 1,432.80
  4. Step 4: Simplify right side
    4,356.60x = 9,356,413.25
  5. Step 5: Solve for x
    x = 9,356,413.25/4,356.60
  6. Step 6: Final answer
    x = 2,147.64

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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.