Home / 7,089.04-10,640.04-5,440.24

Finding the Fourth Proportional to 7,089.04, 10,640.04 and 5,440.24

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Solution

The fourth proportional to 7,089.04, 10,640.04 and 5,440.24 is: 8,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.04 : 10,640.04 = 5,440.24 : x
  2. Step 2: Convert to fraction form
    7,089.04/10,640.04 = 5,440.24/x
  3. Step 3: Cross multiply
    7,089.04x = 10,640.04 × 5,440.24
  4. Step 4: Simplify right side
    7,089.04x = 57,884,371.21
  5. Step 5: Solve for x
    x = 57,884,371.21/7,089.04
  6. Step 6: Final answer
    x = 8,165.33

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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.