Home / 7,490.23-10,339.83-4,838.93

Finding the Fourth Proportional to 7,490.23, 10,339.83 and 4,838.93

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Solution

The fourth proportional to 7,490.23, 10,339.83 and 4,838.93 is: 6,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.23 : 10,339.83 = 4,838.93 : x
  2. Step 2: Convert to fraction form
    7,490.23/10,339.83 = 4,838.93/x
  3. Step 3: Cross multiply
    7,490.23x = 10,339.83 × 4,838.93
  4. Step 4: Simplify right side
    7,490.23x = 50,033,713.58
  5. Step 5: Solve for x
    x = 50,033,713.58/7,490.23
  6. Step 6: Final answer
    x = 6,679.86

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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.