Home / 8,970.09-13,455.82-2,730.63

Finding the Fourth Proportional to 8,970.09, 13,455.82 and 2,730.63

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Solution

The fourth proportional to 8,970.09, 13,455.82 and 2,730.63 is: 4,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.09 : 13,455.82 = 2,730.63 : x
  2. Step 2: Convert to fraction form
    8,970.09/13,455.82 = 2,730.63/x
  3. Step 3: Cross multiply
    8,970.09x = 13,455.82 × 2,730.63
  4. Step 4: Simplify right side
    8,970.09x = 36,742,931.46
  5. Step 5: Solve for x
    x = 36,742,931.46/8,970.09
  6. Step 6: Final answer
    x = 4,096.16

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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.