Home / 5,719.23-8,571.98-2,947.20

Finding the Fourth Proportional to 5,719.23, 8,571.98 and 2,947.20

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Solution

The fourth proportional to 5,719.23, 8,571.98 and 2,947.20 is: 4,417.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.23 : 8,571.98 = 2,947.20 : x
  2. Step 2: Convert to fraction form
    5,719.23/8,571.98 = 2,947.20/x
  3. Step 3: Cross multiply
    5,719.23x = 8,571.98 × 2,947.20
  4. Step 4: Simplify right side
    5,719.23x = 25,263,339.46
  5. Step 5: Solve for x
    x = 25,263,339.46/5,719.23
  6. Step 6: Final answer
    x = 4,417.26

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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.