Home / 9,003.80-12,424.68-4,970.36

Finding the Fourth Proportional to 9,003.80, 12,424.68 and 4,970.36

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Solution

The fourth proportional to 9,003.80, 12,424.68 and 4,970.36 is: 6,858.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.80 : 12,424.68 = 4,970.36 : x
  2. Step 2: Convert to fraction form
    9,003.80/12,424.68 = 4,970.36/x
  3. Step 3: Cross multiply
    9,003.80x = 12,424.68 × 4,970.36
  4. Step 4: Simplify right side
    9,003.80x = 61,755,132.48
  5. Step 5: Solve for x
    x = 61,755,132.48/9,003.80
  6. Step 6: Final answer
    x = 6,858.79

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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.