Home / 4,381.50-6,570.27-1,260.79

Finding the Fourth Proportional to 4,381.50, 6,570.27 and 1,260.79

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Solution

The fourth proportional to 4,381.50, 6,570.27 and 1,260.79 is: 1,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.50 : 6,570.27 = 1,260.79 : x
  2. Step 2: Convert to fraction form
    4,381.50/6,570.27 = 1,260.79/x
  3. Step 3: Cross multiply
    4,381.50x = 6,570.27 × 1,260.79
  4. Step 4: Simplify right side
    4,381.50x = 8,283,730.71
  5. Step 5: Solve for x
    x = 8,283,730.71/4,381.50
  6. Step 6: Final answer
    x = 1,890.62

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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.