Home / 7,899.86-10,901.79-4,543.32

Finding the Fourth Proportional to 7,899.86, 10,901.79 and 4,543.32

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Solution

The fourth proportional to 7,899.86, 10,901.79 and 4,543.32 is: 6,269.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.86 : 10,901.79 = 4,543.32 : x
  2. Step 2: Convert to fraction form
    7,899.86/10,901.79 = 4,543.32/x
  3. Step 3: Cross multiply
    7,899.86x = 10,901.79 × 4,543.32
  4. Step 4: Simplify right side
    7,899.86x = 49,530,243.32
  5. Step 5: Solve for x
    x = 49,530,243.32/7,899.86
  6. Step 6: Final answer
    x = 6,269.77

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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.