Home / 7,521.85-11,260.90-5,582.71

Finding the Fourth Proportional to 7,521.85, 11,260.90 and 5,582.71

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Solution

The fourth proportional to 7,521.85, 11,260.90 and 5,582.71 is: 8,357.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.85 : 11,260.90 = 5,582.71 : x
  2. Step 2: Convert to fraction form
    7,521.85/11,260.90 = 5,582.71/x
  3. Step 3: Cross multiply
    7,521.85x = 11,260.90 × 5,582.71
  4. Step 4: Simplify right side
    7,521.85x = 62,866,339.04
  5. Step 5: Solve for x
    x = 62,866,339.04/7,521.85
  6. Step 6: Final answer
    x = 8,357.83

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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.