Home / 5,030.18-7,546.63-1,520.30

Finding the Fourth Proportional to 5,030.18, 7,546.63 and 1,520.30

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Solution

The fourth proportional to 5,030.18, 7,546.63 and 1,520.30 is: 2,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.18 : 7,546.63 = 1,520.30 : x
  2. Step 2: Convert to fraction form
    5,030.18/7,546.63 = 1,520.30/x
  3. Step 3: Cross multiply
    5,030.18x = 7,546.63 × 1,520.30
  4. Step 4: Simplify right side
    5,030.18x = 11,473,141.59
  5. Step 5: Solve for x
    x = 11,473,141.59/5,030.18
  6. Step 6: Final answer
    x = 2,280.86

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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.