Home / 7,834.96-10,812.59-4,478.55

Finding the Fourth Proportional to 7,834.96, 10,812.59 and 4,478.55

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Solution

The fourth proportional to 7,834.96, 10,812.59 and 4,478.55 is: 6,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.96 : 10,812.59 = 4,478.55 : x
  2. Step 2: Convert to fraction form
    7,834.96/10,812.59 = 4,478.55/x
  3. Step 3: Cross multiply
    7,834.96x = 10,812.59 × 4,478.55
  4. Step 4: Simplify right side
    7,834.96x = 48,424,724.94
  5. Step 5: Solve for x
    x = 48,424,724.94/7,834.96
  6. Step 6: Final answer
    x = 6,180.60

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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.