Home / 5,322.28-7,987.02-1,859.56

Finding the Fourth Proportional to 5,322.28, 7,987.02 and 1,859.56

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Solution

The fourth proportional to 5,322.28, 7,987.02 and 1,859.56 is: 2,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.28 : 7,987.02 = 1,859.56 : x
  2. Step 2: Convert to fraction form
    5,322.28/7,987.02 = 1,859.56/x
  3. Step 3: Cross multiply
    5,322.28x = 7,987.02 × 1,859.56
  4. Step 4: Simplify right side
    5,322.28x = 14,852,342.91
  5. Step 5: Solve for x
    x = 14,852,342.91/5,322.28
  6. Step 6: Final answer
    x = 2,790.60

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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.