Home / 7,737.89-10,678.52-4,380.64

Finding the Fourth Proportional to 7,737.89, 10,678.52 and 4,380.64

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Solution

The fourth proportional to 7,737.89, 10,678.52 and 4,380.64 is: 6,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737.89 : 10,678.52 = 4,380.64 : x
  2. Step 2: Convert to fraction form
    7,737.89/10,678.52 = 4,380.64/x
  3. Step 3: Cross multiply
    7,737.89x = 10,678.52 × 4,380.64
  4. Step 4: Simplify right side
    7,737.89x = 46,778,736.11
  5. Step 5: Solve for x
    x = 46,778,736.11/7,737.89
  6. Step 6: Final answer
    x = 6,045.42

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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.