Home / 7,710.36-10,639.58-4,725.60

Finding the Fourth Proportional to 7,710.36, 10,639.58 and 4,725.60

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Solution

The fourth proportional to 7,710.36, 10,639.58 and 4,725.60 is: 6,520.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.36 : 10,639.58 = 4,725.60 : x
  2. Step 2: Convert to fraction form
    7,710.36/10,639.58 = 4,725.60/x
  3. Step 3: Cross multiply
    7,710.36x = 10,639.58 × 4,725.60
  4. Step 4: Simplify right side
    7,710.36x = 50,278,399.25
  5. Step 5: Solve for x
    x = 50,278,399.25/7,710.36
  6. Step 6: Final answer
    x = 6,520.89

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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.