Home / 5,340.04-8,007.62-1,640.98

Finding the Fourth Proportional to 5,340.04, 8,007.62 and 1,640.98

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Solution

The fourth proportional to 5,340.04, 8,007.62 and 1,640.98 is: 2,460.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.04 : 8,007.62 = 1,640.98 : x
  2. Step 2: Convert to fraction form
    5,340.04/8,007.62 = 1,640.98/x
  3. Step 3: Cross multiply
    5,340.04x = 8,007.62 × 1,640.98
  4. Step 4: Simplify right side
    5,340.04x = 13,140,344.27
  5. Step 5: Solve for x
    x = 13,140,344.27/5,340.04
  6. Step 6: Final answer
    x = 2,460.72

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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.