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Finding the Fourth Proportional to 8,840.52, 12,199.77 and 5,303.79

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Solution

The fourth proportional to 8,840.52, 12,199.77 and 5,303.79 is: 7,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.52 : 12,199.77 = 5,303.79 : x
  2. Step 2: Convert to fraction form
    8,840.52/12,199.77 = 5,303.79/x
  3. Step 3: Cross multiply
    8,840.52x = 12,199.77 × 5,303.79
  4. Step 4: Simplify right side
    8,840.52x = 64,705,018.13
  5. Step 5: Solve for x
    x = 64,705,018.13/8,840.52
  6. Step 6: Final answer
    x = 7,319.14

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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.