Home / 7,592.20-10,478.15-4,448.39

Finding the Fourth Proportional to 7,592.20, 10,478.15 and 4,448.39

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Solution

The fourth proportional to 7,592.20, 10,478.15 and 4,448.39 is: 6,139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,592.20 : 10,478.15 = 4,448.39 : x
  2. Step 2: Convert to fraction form
    7,592.20/10,478.15 = 4,448.39/x
  3. Step 3: Cross multiply
    7,592.20x = 10,478.15 × 4,448.39
  4. Step 4: Simplify right side
    7,592.20x = 46,610,923.69
  5. Step 5: Solve for x
    x = 46,610,923.69/7,592.20
  6. Step 6: Final answer
    x = 6,139.31

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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.