Home / 7,816.34-10,786.61-4,459.13

Finding the Fourth Proportional to 7,816.34, 10,786.61 and 4,459.13

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Solution

The fourth proportional to 7,816.34, 10,786.61 and 4,459.13 is: 6,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.34 : 10,786.61 = 4,459.13 : x
  2. Step 2: Convert to fraction form
    7,816.34/10,786.61 = 4,459.13/x
  3. Step 3: Cross multiply
    7,816.34x = 10,786.61 × 4,459.13
  4. Step 4: Simplify right side
    7,816.34x = 48,098,873.95
  5. Step 5: Solve for x
    x = 48,098,873.95/7,816.34
  6. Step 6: Final answer
    x = 6,153.63

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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.