Home / 6,316.28-9,475.79-2,420.69

Finding the Fourth Proportional to 6,316.28, 9,475.79 and 2,420.69

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Solution

The fourth proportional to 6,316.28, 9,475.79 and 2,420.69 is: 3,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.28 : 9,475.79 = 2,420.69 : x
  2. Step 2: Convert to fraction form
    6,316.28/9,475.79 = 2,420.69/x
  3. Step 3: Cross multiply
    6,316.28x = 9,475.79 × 2,420.69
  4. Step 4: Simplify right side
    6,316.28x = 22,937,950.10
  5. Step 5: Solve for x
    x = 22,937,950.10/6,316.28
  6. Step 6: Final answer
    x = 3,631.56

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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.