Home / 7,578.18-10,458.36-5,058.68

Finding the Fourth Proportional to 7,578.18, 10,458.36 and 5,058.68

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Solution

The fourth proportional to 7,578.18, 10,458.36 and 5,058.68 is: 6,981.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.18 : 10,458.36 = 5,058.68 : x
  2. Step 2: Convert to fraction form
    7,578.18/10,458.36 = 5,058.68/x
  3. Step 3: Cross multiply
    7,578.18x = 10,458.36 × 5,058.68
  4. Step 4: Simplify right side
    7,578.18x = 52,905,496.56
  5. Step 5: Solve for x
    x = 52,905,496.56/7,578.18
  6. Step 6: Final answer
    x = 6,981.29

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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.