Home / 6,440.15-9,664.55-2,280.14

Finding the Fourth Proportional to 6,440.15, 9,664.55 and 2,280.14

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Solution

The fourth proportional to 6,440.15, 9,664.55 and 2,280.14 is: 3,421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.15 : 9,664.55 = 2,280.14 : x
  2. Step 2: Convert to fraction form
    6,440.15/9,664.55 = 2,280.14/x
  3. Step 3: Cross multiply
    6,440.15x = 9,664.55 × 2,280.14
  4. Step 4: Simplify right side
    6,440.15x = 22,036,527.04
  5. Step 5: Solve for x
    x = 22,036,527.04/6,440.15
  6. Step 6: Final answer
    x = 3,421.74

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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.