Home / 7,030.60-10,546.11-3,930.40

Finding the Fourth Proportional to 7,030.60, 10,546.11 and 3,930.40

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Solution

The fourth proportional to 7,030.60, 10,546.11 and 3,930.40 is: 5,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.60 : 10,546.11 = 3,930.40 : x
  2. Step 2: Convert to fraction form
    7,030.60/10,546.11 = 3,930.40/x
  3. Step 3: Cross multiply
    7,030.60x = 10,546.11 × 3,930.40
  4. Step 4: Simplify right side
    7,030.60x = 41,450,430.74
  5. Step 5: Solve for x
    x = 41,450,430.74/7,030.60
  6. Step 6: Final answer
    x = 5,895.72

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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.