Home / 7,615.26-10,509.46-4,630.60

Finding the Fourth Proportional to 7,615.26, 10,509.46 and 4,630.60

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Solution

The fourth proportional to 7,615.26, 10,509.46 and 4,630.60 is: 6,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.26 : 10,509.46 = 4,630.60 : x
  2. Step 2: Convert to fraction form
    7,615.26/10,509.46 = 4,630.60/x
  3. Step 3: Cross multiply
    7,615.26x = 10,509.46 × 4,630.60
  4. Step 4: Simplify right side
    7,615.26x = 48,665,105.48
  5. Step 5: Solve for x
    x = 48,665,105.48/7,615.26
  6. Step 6: Final answer
    x = 6,390.47

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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.