Home / 7,403.99-11,108.21-4,283.28

Finding the Fourth Proportional to 7,403.99, 11,108.21 and 4,283.28

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Solution

The fourth proportional to 7,403.99, 11,108.21 and 4,283.28 is: 6,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.99 : 11,108.21 = 4,283.28 : x
  2. Step 2: Convert to fraction form
    7,403.99/11,108.21 = 4,283.28/x
  3. Step 3: Cross multiply
    7,403.99x = 11,108.21 × 4,283.28
  4. Step 4: Simplify right side
    7,403.99x = 47,579,552.31
  5. Step 5: Solve for x
    x = 47,579,552.31/7,403.99
  6. Step 6: Final answer
    x = 6,426.21

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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.