Home / 7,711.04-10,639.48-4,353.68

Finding the Fourth Proportional to 7,711.04, 10,639.48 and 4,353.68

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Solution

The fourth proportional to 7,711.04, 10,639.48 and 4,353.68 is: 6,007.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.04 : 10,639.48 = 4,353.68 : x
  2. Step 2: Convert to fraction form
    7,711.04/10,639.48 = 4,353.68/x
  3. Step 3: Cross multiply
    7,711.04x = 10,639.48 × 4,353.68
  4. Step 4: Simplify right side
    7,711.04x = 46,320,891.29
  5. Step 5: Solve for x
    x = 46,320,891.29/7,711.04
  6. Step 6: Final answer
    x = 6,007.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.