Home / 7,491.90-10,338.12-4,347.78

Finding the Fourth Proportional to 7,491.90, 10,338.12 and 4,347.78

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Solution

The fourth proportional to 7,491.90, 10,338.12 and 4,347.78 is: 5,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.90 : 10,338.12 = 4,347.78 : x
  2. Step 2: Convert to fraction form
    7,491.90/10,338.12 = 4,347.78/x
  3. Step 3: Cross multiply
    7,491.90x = 10,338.12 × 4,347.78
  4. Step 4: Simplify right side
    7,491.90x = 44,947,871.37
  5. Step 5: Solve for x
    x = 44,947,871.37/7,491.90
  6. Step 6: Final answer
    x = 5,999.53

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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.