Home / 7,484.80-10,329.99-6,223.69

Finding the Fourth Proportional to 7,484.80, 10,329.99 and 6,223.69

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Solution

The fourth proportional to 7,484.80, 10,329.99 and 6,223.69 is: 8,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.80 : 10,329.99 = 6,223.69 : x
  2. Step 2: Convert to fraction form
    7,484.80/10,329.99 = 6,223.69/x
  3. Step 3: Cross multiply
    7,484.80x = 10,329.99 × 6,223.69
  4. Step 4: Simplify right side
    7,484.80x = 64,290,655.46
  5. Step 5: Solve for x
    x = 64,290,655.46/7,484.80
  6. Step 6: Final answer
    x = 8,589.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.