Home / 7,521.44-10,389.52-5,774.64

Finding the Fourth Proportional to 7,521.44, 10,389.52 and 5,774.64

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Solution

The fourth proportional to 7,521.44, 10,389.52 and 5,774.64 is: 7,976.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.44 : 10,389.52 = 5,774.64 : x
  2. Step 2: Convert to fraction form
    7,521.44/10,389.52 = 5,774.64/x
  3. Step 3: Cross multiply
    7,521.44x = 10,389.52 × 5,774.64
  4. Step 4: Simplify right side
    7,521.44x = 59,995,737.77
  5. Step 5: Solve for x
    x = 59,995,737.77/7,521.44
  6. Step 6: Final answer
    x = 7,976.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.