Home / 4,746.10-7,119.19-2,145.98

Finding the Fourth Proportional to 4,746.10, 7,119.19 and 2,145.98

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Solution

The fourth proportional to 4,746.10, 7,119.19 and 2,145.98 is: 3,218.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.10 : 7,119.19 = 2,145.98 : x
  2. Step 2: Convert to fraction form
    4,746.10/7,119.19 = 2,145.98/x
  3. Step 3: Cross multiply
    4,746.10x = 7,119.19 × 2,145.98
  4. Step 4: Simplify right side
    4,746.10x = 15,277,639.36
  5. Step 5: Solve for x
    x = 15,277,639.36/4,746.10
  6. Step 6: Final answer
    x = 3,218.99

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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.