Home / 4,579.57-6,870.64-1,292.69

Finding the Fourth Proportional to 4,579.57, 6,870.64 and 1,292.69

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Solution

The fourth proportional to 4,579.57, 6,870.64 and 1,292.69 is: 1,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.57 : 6,870.64 = 1,292.69 : x
  2. Step 2: Convert to fraction form
    4,579.57/6,870.64 = 1,292.69/x
  3. Step 3: Cross multiply
    4,579.57x = 6,870.64 × 1,292.69
  4. Step 4: Simplify right side
    4,579.57x = 8,881,610.85
  5. Step 5: Solve for x
    x = 8,881,610.85/4,579.57
  6. Step 6: Final answer
    x = 1,939.40

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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.