Home / 7,790.28-10,750.74-4,807.56

Finding the Fourth Proportional to 7,790.28, 10,750.74 and 4,807.56

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Solution

The fourth proportional to 7,790.28, 10,750.74 and 4,807.56 is: 6,634.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.28 : 10,750.74 = 4,807.56 : x
  2. Step 2: Convert to fraction form
    7,790.28/10,750.74 = 4,807.56/x
  3. Step 3: Cross multiply
    7,790.28x = 10,750.74 × 4,807.56
  4. Step 4: Simplify right side
    7,790.28x = 51,684,827.59
  5. Step 5: Solve for x
    x = 51,684,827.59/7,790.28
  6. Step 6: Final answer
    x = 6,634.53

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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.