Home / 7,060.79-9,744.02-4,076.78

Finding the Fourth Proportional to 7,060.79, 9,744.02 and 4,076.78

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Solution

The fourth proportional to 7,060.79, 9,744.02 and 4,076.78 is: 5,626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.79 : 9,744.02 = 4,076.78 : x
  2. Step 2: Convert to fraction form
    7,060.79/9,744.02 = 4,076.78/x
  3. Step 3: Cross multiply
    7,060.79x = 9,744.02 × 4,076.78
  4. Step 4: Simplify right side
    7,060.79x = 39,724,156.75
  5. Step 5: Solve for x
    x = 39,724,156.75/7,060.79
  6. Step 6: Final answer
    x = 5,626.03

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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.