Home / 5,277.86-7,283.50-2,887.92

Finding the Fourth Proportional to 5,277.86, 7,283.50 and 2,887.92

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Solution

The fourth proportional to 5,277.86, 7,283.50 and 2,887.92 is: 3,985.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.86 : 7,283.50 = 2,887.92 : x
  2. Step 2: Convert to fraction form
    5,277.86/7,283.50 = 2,887.92/x
  3. Step 3: Cross multiply
    5,277.86x = 7,283.50 × 2,887.92
  4. Step 4: Simplify right side
    5,277.86x = 21,034,165.32
  5. Step 5: Solve for x
    x = 21,034,165.32/5,277.86
  6. Step 6: Final answer
    x = 3,985.36

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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.