Home / 5,246.28-7,870.62-1,783.56

Finding the Fourth Proportional to 5,246.28, 7,870.62 and 1,783.56

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Solution

The fourth proportional to 5,246.28, 7,870.62 and 1,783.56 is: 2,675.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.28 : 7,870.62 = 1,783.56 : x
  2. Step 2: Convert to fraction form
    5,246.28/7,870.62 = 1,783.56/x
  3. Step 3: Cross multiply
    5,246.28x = 7,870.62 × 1,783.56
  4. Step 4: Simplify right side
    5,246.28x = 14,037,723.01
  5. Step 5: Solve for x
    x = 14,037,723.01/5,246.28
  6. Step 6: Final answer
    x = 2,675.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.