Home / 7,148.04-10,707.36-3,439.32

Finding the Fourth Proportional to 7,148.04, 10,707.36 and 3,439.32

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Solution

The fourth proportional to 7,148.04, 10,707.36 and 3,439.32 is: 5,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.04 : 10,707.36 = 3,439.32 : x
  2. Step 2: Convert to fraction form
    7,148.04/10,707.36 = 3,439.32/x
  3. Step 3: Cross multiply
    7,148.04x = 10,707.36 × 3,439.32
  4. Step 4: Simplify right side
    7,148.04x = 36,826,037.40
  5. Step 5: Solve for x
    x = 36,826,037.40/7,148.04
  6. Step 6: Final answer
    x = 5,151.91

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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.