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Finding the Fourth Proportional to 7,661.03, 10,572.27 and 4,303.99

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Solution

The fourth proportional to 7,661.03, 10,572.27 and 4,303.99 is: 5,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.03 : 10,572.27 = 4,303.99 : x
  2. Step 2: Convert to fraction form
    7,661.03/10,572.27 = 4,303.99/x
  3. Step 3: Cross multiply
    7,661.03x = 10,572.27 × 4,303.99
  4. Step 4: Simplify right side
    7,661.03x = 45,502,869.98
  5. Step 5: Solve for x
    x = 45,502,869.98/7,661.03
  6. Step 6: Final answer
    x = 5,939.52

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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.