Home / 8,985.53-13,475.19-3,440.45

Finding the Fourth Proportional to 8,985.53, 13,475.19 and 3,440.45

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Solution

The fourth proportional to 8,985.53, 13,475.19 and 3,440.45 is: 5,159.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.53 : 13,475.19 = 3,440.45 : x
  2. Step 2: Convert to fraction form
    8,985.53/13,475.19 = 3,440.45/x
  3. Step 3: Cross multiply
    8,985.53x = 13,475.19 × 3,440.45
  4. Step 4: Simplify right side
    8,985.53x = 46,360,717.44
  5. Step 5: Solve for x
    x = 46,360,717.44/8,985.53
  6. Step 6: Final answer
    x = 5,159.49

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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.