Home / 5,390.04-8,085-1,927.56

Finding the Fourth Proportional to 5,390.04, 8,085 and 1,927.56

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Solution

The fourth proportional to 5,390.04, 8,085 and 1,927.56 is: 2,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.04 : 8,085 = 1,927.56 : x
  2. Step 2: Convert to fraction form
    5,390.04/8,085 = 1,927.56/x
  3. Step 3: Cross multiply
    5,390.04x = 8,085 × 1,927.56
  4. Step 4: Simplify right side
    5,390.04x = 15,584,322.60
  5. Step 5: Solve for x
    x = 15,584,322.60/5,390.04
  6. Step 6: Final answer
    x = 2,891.32

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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.