Home / 8,318.04-12,459.78-6,462.60

Finding the Fourth Proportional to 8,318.04, 12,459.78 and 6,462.60

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Solution

The fourth proportional to 8,318.04, 12,459.78 and 6,462.60 is: 9,680.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.04 : 12,459.78 = 6,462.60 : x
  2. Step 2: Convert to fraction form
    8,318.04/12,459.78 = 6,462.60/x
  3. Step 3: Cross multiply
    8,318.04x = 12,459.78 × 6,462.60
  4. Step 4: Simplify right side
    8,318.04x = 80,522,574.23
  5. Step 5: Solve for x
    x = 80,522,574.23/8,318.04
  6. Step 6: Final answer
    x = 9,680.47

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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.