Home / 8,989.02-13,484.53-2,415.72

Finding the Fourth Proportional to 8,989.02, 13,484.53 and 2,415.72

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Solution

The fourth proportional to 8,989.02, 13,484.53 and 2,415.72 is: 3,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.02 : 13,484.53 = 2,415.72 : x
  2. Step 2: Convert to fraction form
    8,989.02/13,484.53 = 2,415.72/x
  3. Step 3: Cross multiply
    8,989.02x = 13,484.53 × 2,415.72
  4. Step 4: Simplify right side
    8,989.02x = 32,574,902.40
  5. Step 5: Solve for x
    x = 32,574,902.40/8,989.02
  6. Step 6: Final answer
    x = 3,623.85

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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.