Home / 5,719.79-7,890.26-4,719.24

Finding the Fourth Proportional to 5,719.79, 7,890.26 and 4,719.24

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Solution

The fourth proportional to 5,719.79, 7,890.26 and 4,719.24 is: 6,510.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.79 : 7,890.26 = 4,719.24 : x
  2. Step 2: Convert to fraction form
    5,719.79/7,890.26 = 4,719.24/x
  3. Step 3: Cross multiply
    5,719.79x = 7,890.26 × 4,719.24
  4. Step 4: Simplify right side
    5,719.79x = 37,236,042.40
  5. Step 5: Solve for x
    x = 37,236,042.40/5,719.79
  6. Step 6: Final answer
    x = 6,510.03

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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.