Home / 7,803.45-10,757.97-5,281.56

Finding the Fourth Proportional to 7,803.45, 10,757.97 and 5,281.56

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Solution

The fourth proportional to 7,803.45, 10,757.97 and 5,281.56 is: 7,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803.45 : 10,757.97 = 5,281.56 : x
  2. Step 2: Convert to fraction form
    7,803.45/10,757.97 = 5,281.56/x
  3. Step 3: Cross multiply
    7,803.45x = 10,757.97 × 5,281.56
  4. Step 4: Simplify right side
    7,803.45x = 56,818,864.03
  5. Step 5: Solve for x
    x = 56,818,864.03/7,803.45
  6. Step 6: Final answer
    x = 7,281.25

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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.