Home / 9,490.09-13,095.78-5,298.61

Finding the Fourth Proportional to 9,490.09, 13,095.78 and 5,298.61

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Solution

The fourth proportional to 9,490.09, 13,095.78 and 5,298.61 is: 7,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,490.09 : 13,095.78 = 5,298.61 : x
  2. Step 2: Convert to fraction form
    9,490.09/13,095.78 = 5,298.61/x
  3. Step 3: Cross multiply
    9,490.09x = 13,095.78 × 5,298.61
  4. Step 4: Simplify right side
    9,490.09x = 69,389,430.87
  5. Step 5: Solve for x
    x = 69,389,430.87/9,490.09
  6. Step 6: Final answer
    x = 7,311.78

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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.