Home / 7,158.54-10,726.93-3,456.34

Finding the Fourth Proportional to 7,158.54, 10,726.93 and 3,456.34

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Solution

The fourth proportional to 7,158.54, 10,726.93 and 3,456.34 is: 5,179.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.54 : 10,726.93 = 3,456.34 : x
  2. Step 2: Convert to fraction form
    7,158.54/10,726.93 = 3,456.34/x
  3. Step 3: Cross multiply
    7,158.54x = 10,726.93 × 3,456.34
  4. Step 4: Simplify right side
    7,158.54x = 37,075,894.74
  5. Step 5: Solve for x
    x = 37,075,894.74/7,158.54
  6. Step 6: Final answer
    x = 5,179.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.