Home / 4,543.35-6,815.95-1,621.58

Finding the Fourth Proportional to 4,543.35, 6,815.95 and 1,621.58

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Solution

The fourth proportional to 4,543.35, 6,815.95 and 1,621.58 is: 2,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.35 : 6,815.95 = 1,621.58 : x
  2. Step 2: Convert to fraction form
    4,543.35/6,815.95 = 1,621.58/x
  3. Step 3: Cross multiply
    4,543.35x = 6,815.95 × 1,621.58
  4. Step 4: Simplify right side
    4,543.35x = 11,052,618.15
  5. Step 5: Solve for x
    x = 11,052,618.15/4,543.35
  6. Step 6: Final answer
    x = 2,432.70

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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.