Home / 7,490.16-11,237.52-2,559.78

Finding the Fourth Proportional to 7,490.16, 11,237.52 and 2,559.78

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Solution

The fourth proportional to 7,490.16, 11,237.52 and 2,559.78 is: 3,840.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.16 : 11,237.52 = 2,559.78 : x
  2. Step 2: Convert to fraction form
    7,490.16/11,237.52 = 2,559.78/x
  3. Step 3: Cross multiply
    7,490.16x = 11,237.52 × 2,559.78
  4. Step 4: Simplify right side
    7,490.16x = 28,765,578.95
  5. Step 5: Solve for x
    x = 28,765,578.95/7,490.16
  6. Step 6: Final answer
    x = 3,840.45

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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.