Home / 7,529.36-10,387.02-4,877.66

Finding the Fourth Proportional to 7,529.36, 10,387.02 and 4,877.66

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Solution

The fourth proportional to 7,529.36, 10,387.02 and 4,877.66 is: 6,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.36 : 10,387.02 = 4,877.66 : x
  2. Step 2: Convert to fraction form
    7,529.36/10,387.02 = 4,877.66/x
  3. Step 3: Cross multiply
    7,529.36x = 10,387.02 × 4,877.66
  4. Step 4: Simplify right side
    7,529.36x = 50,664,351.97
  5. Step 5: Solve for x
    x = 50,664,351.97/7,529.36
  6. Step 6: Final answer
    x = 6,728.91

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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.