Home / 7,287.75-10,057.59-4,455.68

Finding the Fourth Proportional to 7,287.75, 10,057.59 and 4,455.68

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Solution

The fourth proportional to 7,287.75, 10,057.59 and 4,455.68 is: 6,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.75 : 10,057.59 = 4,455.68 : x
  2. Step 2: Convert to fraction form
    7,287.75/10,057.59 = 4,455.68/x
  3. Step 3: Cross multiply
    7,287.75x = 10,057.59 × 4,455.68
  4. Step 4: Simplify right side
    7,287.75x = 44,813,352.32
  5. Step 5: Solve for x
    x = 44,813,352.32/7,287.75
  6. Step 6: Final answer
    x = 6,149.13

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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.