Home / 4,395.20-6,590.52-1,621.76

Finding the Fourth Proportional to 4,395.20, 6,590.52 and 1,621.76

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Solution

The fourth proportional to 4,395.20, 6,590.52 and 1,621.76 is: 2,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,395.20 : 6,590.52 = 1,621.76 : x
  2. Step 2: Convert to fraction form
    4,395.20/6,590.52 = 1,621.76/x
  3. Step 3: Cross multiply
    4,395.20x = 6,590.52 × 1,621.76
  4. Step 4: Simplify right side
    4,395.20x = 10,688,241.72
  5. Step 5: Solve for x
    x = 10,688,241.72/4,395.20
  6. Step 6: Final answer
    x = 2,431.80

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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.