Home / 7,816.34-10,784.81-4,628.05

Finding the Fourth Proportional to 7,816.34, 10,784.81 and 4,628.05

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Solution

The fourth proportional to 7,816.34, 10,784.81 and 4,628.05 is: 6,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.34 : 10,784.81 = 4,628.05 : x
  2. Step 2: Convert to fraction form
    7,816.34/10,784.81 = 4,628.05/x
  3. Step 3: Cross multiply
    7,816.34x = 10,784.81 × 4,628.05
  4. Step 4: Simplify right side
    7,816.34x = 49,912,624.53
  5. Step 5: Solve for x
    x = 49,912,624.53/7,816.34
  6. Step 6: Final answer
    x = 6,385.68

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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.