Home / 7,521.29-11,281.95-2,590.86

Finding the Fourth Proportional to 7,521.29, 11,281.95 and 2,590.86

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Solution

The fourth proportional to 7,521.29, 11,281.95 and 2,590.86 is: 3,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.29 : 11,281.95 = 2,590.86 : x
  2. Step 2: Convert to fraction form
    7,521.29/11,281.95 = 2,590.86/x
  3. Step 3: Cross multiply
    7,521.29x = 11,281.95 × 2,590.86
  4. Step 4: Simplify right side
    7,521.29x = 29,229,952.98
  5. Step 5: Solve for x
    x = 29,229,952.98/7,521.29
  6. Step 6: Final answer
    x = 3,886.30

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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.