Home / 9,578.45-13,218.32-5,598.77

Finding the Fourth Proportional to 9,578.45, 13,218.32 and 5,598.77

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Solution

The fourth proportional to 9,578.45, 13,218.32 and 5,598.77 is: 7,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578.45 : 13,218.32 = 5,598.77 : x
  2. Step 2: Convert to fraction form
    9,578.45/13,218.32 = 5,598.77/x
  3. Step 3: Cross multiply
    9,578.45x = 13,218.32 × 5,598.77
  4. Step 4: Simplify right side
    9,578.45x = 74,006,267.37
  5. Step 5: Solve for x
    x = 74,006,267.37/9,578.45
  6. Step 6: Final answer
    x = 7,726.33

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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.