Home / 8,750.79-12,075.66-4,771.89

Finding the Fourth Proportional to 8,750.79, 12,075.66 and 4,771.89

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Solution

The fourth proportional to 8,750.79, 12,075.66 and 4,771.89 is: 6,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.79 : 12,075.66 = 4,771.89 : x
  2. Step 2: Convert to fraction form
    8,750.79/12,075.66 = 4,771.89/x
  3. Step 3: Cross multiply
    8,750.79x = 12,075.66 × 4,771.89
  4. Step 4: Simplify right side
    8,750.79x = 57,623,721.20
  5. Step 5: Solve for x
    x = 57,623,721.20/8,750.79
  6. Step 6: Final answer
    x = 6,584.97

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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.