Home / 6,406.08-9,603.68-2,711.20

Finding the Fourth Proportional to 6,406.08, 9,603.68 and 2,711.20

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Solution

The fourth proportional to 6,406.08, 9,603.68 and 2,711.20 is: 4,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,406.08 : 9,603.68 = 2,711.20 : x
  2. Step 2: Convert to fraction form
    6,406.08/9,603.68 = 2,711.20/x
  3. Step 3: Cross multiply
    6,406.08x = 9,603.68 × 2,711.20
  4. Step 4: Simplify right side
    6,406.08x = 26,037,497.22
  5. Step 5: Solve for x
    x = 26,037,497.22/6,406.08
  6. Step 6: Final answer
    x = 4,064.50

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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.