Home / 8,985.14-13,444.90-5,289.12

Finding the Fourth Proportional to 8,985.14, 13,444.90 and 5,289.12

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Solution

The fourth proportional to 8,985.14, 13,444.90 and 5,289.12 is: 7,914.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.14 : 13,444.90 = 5,289.12 : x
  2. Step 2: Convert to fraction form
    8,985.14/13,444.90 = 5,289.12/x
  3. Step 3: Cross multiply
    8,985.14x = 13,444.90 × 5,289.12
  4. Step 4: Simplify right side
    8,985.14x = 71,111,689.49
  5. Step 5: Solve for x
    x = 71,111,689.49/8,985.14
  6. Step 6: Final answer
    x = 7,914.37

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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.