Home / 4,751.86-6,561.40-2,986.06

Finding the Fourth Proportional to 4,751.86, 6,561.40 and 2,986.06

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Solution

The fourth proportional to 4,751.86, 6,561.40 and 2,986.06 is: 4,123.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.86 : 6,561.40 = 2,986.06 : x
  2. Step 2: Convert to fraction form
    4,751.86/6,561.40 = 2,986.06/x
  3. Step 3: Cross multiply
    4,751.86x = 6,561.40 × 2,986.06
  4. Step 4: Simplify right side
    4,751.86x = 19,592,734.08
  5. Step 5: Solve for x
    x = 19,592,734.08/4,751.86
  6. Step 6: Final answer
    x = 4,123.17

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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.