Home / 5,329.61-7,989.86-2,045.06

Finding the Fourth Proportional to 5,329.61, 7,989.86 and 2,045.06

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Solution

The fourth proportional to 5,329.61, 7,989.86 and 2,045.06 is: 3,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.61 : 7,989.86 = 2,045.06 : x
  2. Step 2: Convert to fraction form
    5,329.61/7,989.86 = 2,045.06/x
  3. Step 3: Cross multiply
    5,329.61x = 7,989.86 × 2,045.06
  4. Step 4: Simplify right side
    5,329.61x = 16,339,763.07
  5. Step 5: Solve for x
    x = 16,339,763.07/5,329.61
  6. Step 6: Final answer
    x = 3,065.84

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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.