Home / 7,737.60-10,678.32-4,379.16

Finding the Fourth Proportional to 7,737.60, 10,678.32 and 4,379.16

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Solution

The fourth proportional to 7,737.60, 10,678.32 and 4,379.16 is: 6,043.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737.60 : 10,678.32 = 4,379.16 : x
  2. Step 2: Convert to fraction form
    7,737.60/10,678.32 = 4,379.16/x
  3. Step 3: Cross multiply
    7,737.60x = 10,678.32 × 4,379.16
  4. Step 4: Simplify right side
    7,737.60x = 46,762,071.81
  5. Step 5: Solve for x
    x = 46,762,071.81/7,737.60
  6. Step 6: Final answer
    x = 6,043.49

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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.