Home / 4,579.78-6,870.24-1,293.13

Finding the Fourth Proportional to 4,579.78, 6,870.24 and 1,293.13

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Solution

The fourth proportional to 4,579.78, 6,870.24 and 1,293.13 is: 1,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.78 : 6,870.24 = 1,293.13 : x
  2. Step 2: Convert to fraction form
    4,579.78/6,870.24 = 1,293.13/x
  3. Step 3: Cross multiply
    4,579.78x = 6,870.24 × 1,293.13
  4. Step 4: Simplify right side
    4,579.78x = 8,884,113.45
  5. Step 5: Solve for x
    x = 8,884,113.45/4,579.78
  6. Step 6: Final answer
    x = 1,939.86

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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.