Home / 7,756.15-10,703.17-4,219.36

Finding the Fourth Proportional to 7,756.15, 10,703.17 and 4,219.36

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Solution

The fourth proportional to 7,756.15, 10,703.17 and 4,219.36 is: 5,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.15 : 10,703.17 = 4,219.36 : x
  2. Step 2: Convert to fraction form
    7,756.15/10,703.17 = 4,219.36/x
  3. Step 3: Cross multiply
    7,756.15x = 10,703.17 × 4,219.36
  4. Step 4: Simplify right side
    7,756.15x = 45,160,527.37
  5. Step 5: Solve for x
    x = 45,160,527.37/7,756.15
  6. Step 6: Final answer
    x = 5,822.54

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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.