Home / 7,518.61-11,279.76-2,588.32

Finding the Fourth Proportional to 7,518.61, 11,279.76 and 2,588.32

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Solution

The fourth proportional to 7,518.61, 11,279.76 and 2,588.32 is: 3,883.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.61 : 11,279.76 = 2,588.32 : x
  2. Step 2: Convert to fraction form
    7,518.61/11,279.76 = 2,588.32/x
  3. Step 3: Cross multiply
    7,518.61x = 11,279.76 × 2,588.32
  4. Step 4: Simplify right side
    7,518.61x = 29,195,628.40
  5. Step 5: Solve for x
    x = 29,195,628.40/7,518.61
  6. Step 6: Final answer
    x = 3,883.12

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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.