Home / 7,772.45-10,727.36-4,585.55

Finding the Fourth Proportional to 7,772.45, 10,727.36 and 4,585.55

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Solution

The fourth proportional to 7,772.45, 10,727.36 and 4,585.55 is: 6,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.45 : 10,727.36 = 4,585.55 : x
  2. Step 2: Convert to fraction form
    7,772.45/10,727.36 = 4,585.55/x
  3. Step 3: Cross multiply
    7,772.45x = 10,727.36 × 4,585.55
  4. Step 4: Simplify right side
    7,772.45x = 49,190,769.08
  5. Step 5: Solve for x
    x = 49,190,769.08/7,772.45
  6. Step 6: Final answer
    x = 6,328.87

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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.