Home / 7,490.15-11,235.80-4,370.47

Finding the Fourth Proportional to 7,490.15, 11,235.80 and 4,370.47

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Solution

The fourth proportional to 7,490.15, 11,235.80 and 4,370.47 is: 6,556.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.15 : 11,235.80 = 4,370.47 : x
  2. Step 2: Convert to fraction form
    7,490.15/11,235.80 = 4,370.47/x
  3. Step 3: Cross multiply
    7,490.15x = 11,235.80 × 4,370.47
  4. Step 4: Simplify right side
    7,490.15x = 49,105,726.83
  5. Step 5: Solve for x
    x = 49,105,726.83/7,490.15
  6. Step 6: Final answer
    x = 6,556.04

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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.