Home / 8,918.02-13,369.06-4,235.14

Finding the Fourth Proportional to 8,918.02, 13,369.06 and 4,235.14

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Solution

The fourth proportional to 8,918.02, 13,369.06 and 4,235.14 is: 6,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918.02 : 13,369.06 = 4,235.14 : x
  2. Step 2: Convert to fraction form
    8,918.02/13,369.06 = 4,235.14/x
  3. Step 3: Cross multiply
    8,918.02x = 13,369.06 × 4,235.14
  4. Step 4: Simplify right side
    8,918.02x = 56,619,840.77
  5. Step 5: Solve for x
    x = 56,619,840.77/8,918.02
  6. Step 6: Final answer
    x = 6,348.93

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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.