Home / 5,030.69-7,546.10-1,520.72

Finding the Fourth Proportional to 5,030.69, 7,546.10 and 1,520.72

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Solution

The fourth proportional to 5,030.69, 7,546.10 and 1,520.72 is: 2,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.69 : 7,546.10 = 1,520.72 : x
  2. Step 2: Convert to fraction form
    5,030.69/7,546.10 = 1,520.72/x
  3. Step 3: Cross multiply
    5,030.69x = 7,546.10 × 1,520.72
  4. Step 4: Simplify right side
    5,030.69x = 11,475,543.43
  5. Step 5: Solve for x
    x = 11,475,543.43/5,030.69
  6. Step 6: Final answer
    x = 2,281.11

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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.