Home / 6,424.10-9,620.41-5,306.68

Finding the Fourth Proportional to 6,424.10, 9,620.41 and 5,306.68

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Solution

The fourth proportional to 6,424.10, 9,620.41 and 5,306.68 is: 7,947.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.10 : 9,620.41 = 5,306.68 : x
  2. Step 2: Convert to fraction form
    6,424.10/9,620.41 = 5,306.68/x
  3. Step 3: Cross multiply
    6,424.10x = 9,620.41 × 5,306.68
  4. Step 4: Simplify right side
    6,424.10x = 51,052,437.34
  5. Step 5: Solve for x
    x = 51,052,437.34/6,424.10
  6. Step 6: Final answer
    x = 7,947.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.