Home / 7,477.18-10,318.85-4,494.40

Finding the Fourth Proportional to 7,477.18, 10,318.85 and 4,494.40

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Solution

The fourth proportional to 7,477.18, 10,318.85 and 4,494.40 is: 6,202.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.18 : 10,318.85 = 4,494.40 : x
  2. Step 2: Convert to fraction form
    7,477.18/10,318.85 = 4,494.40/x
  3. Step 3: Cross multiply
    7,477.18x = 10,318.85 × 4,494.40
  4. Step 4: Simplify right side
    7,477.18x = 46,377,016.97
  5. Step 5: Solve for x
    x = 46,377,016.97/7,477.18
  6. Step 6: Final answer
    x = 6,202.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.