Home / 7,081.12-10,624.60-3,130.30

Finding the Fourth Proportional to 7,081.12, 10,624.60 and 3,130.30

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Solution

The fourth proportional to 7,081.12, 10,624.60 and 3,130.30 is: 4,696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.12 : 10,624.60 = 3,130.30 : x
  2. Step 2: Convert to fraction form
    7,081.12/10,624.60 = 3,130.30/x
  3. Step 3: Cross multiply
    7,081.12x = 10,624.60 × 3,130.30
  4. Step 4: Simplify right side
    7,081.12x = 33,258,185.38
  5. Step 5: Solve for x
    x = 33,258,185.38/7,081.12
  6. Step 6: Final answer
    x = 4,696.74

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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.