Home / 8,989.04-13,486.80-4,608.56

Finding the Fourth Proportional to 8,989.04, 13,486.80 and 4,608.56

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Solution

The fourth proportional to 8,989.04, 13,486.80 and 4,608.56 is: 6,914.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.04 : 13,486.80 = 4,608.56 : x
  2. Step 2: Convert to fraction form
    8,989.04/13,486.80 = 4,608.56/x
  3. Step 3: Cross multiply
    8,989.04x = 13,486.80 × 4,608.56
  4. Step 4: Simplify right side
    8,989.04x = 62,154,727.01
  5. Step 5: Solve for x
    x = 62,154,727.01/8,989.04
  6. Step 6: Final answer
    x = 6,914.50

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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.