Home / 9,158.93-13,738.80-3,316.40

Finding the Fourth Proportional to 9,158.93, 13,738.80 and 3,316.40

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Solution

The fourth proportional to 9,158.93, 13,738.80 and 3,316.40 is: 4,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.93 : 13,738.80 = 3,316.40 : x
  2. Step 2: Convert to fraction form
    9,158.93/13,738.80 = 3,316.40/x
  3. Step 3: Cross multiply
    9,158.93x = 13,738.80 × 3,316.40
  4. Step 4: Simplify right side
    9,158.93x = 45,563,356.32
  5. Step 5: Solve for x
    x = 45,563,356.32/9,158.93
  6. Step 6: Final answer
    x = 4,974.75

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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.