Home / 6,475.40-9,712.14-2,318.60

Finding the Fourth Proportional to 6,475.40, 9,712.14 and 2,318.60

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Solution

The fourth proportional to 6,475.40, 9,712.14 and 2,318.60 is: 3,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.40 : 9,712.14 = 2,318.60 : x
  2. Step 2: Convert to fraction form
    6,475.40/9,712.14 = 2,318.60/x
  3. Step 3: Cross multiply
    6,475.40x = 9,712.14 × 2,318.60
  4. Step 4: Simplify right side
    6,475.40x = 22,518,567.80
  5. Step 5: Solve for x
    x = 22,518,567.80/6,475.40
  6. Step 6: Final answer
    x = 3,477.56

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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.