Home / 7,340.04-11,011.86-3,439.90

Finding the Fourth Proportional to 7,340.04, 11,011.86 and 3,439.90

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Solution

The fourth proportional to 7,340.04, 11,011.86 and 3,439.90 is: 5,160.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.04 : 11,011.86 = 3,439.90 : x
  2. Step 2: Convert to fraction form
    7,340.04/11,011.86 = 3,439.90/x
  3. Step 3: Cross multiply
    7,340.04x = 11,011.86 × 3,439.90
  4. Step 4: Simplify right side
    7,340.04x = 37,879,697.21
  5. Step 5: Solve for x
    x = 37,879,697.21/7,340.04
  6. Step 6: Final answer
    x = 5,160.69

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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.