Home / 5,030.70-7,543.61-2,108.22

Finding the Fourth Proportional to 5,030.70, 7,543.61 and 2,108.22

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Solution

The fourth proportional to 5,030.70, 7,543.61 and 2,108.22 is: 3,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.70 : 7,543.61 = 2,108.22 : x
  2. Step 2: Convert to fraction form
    5,030.70/7,543.61 = 2,108.22/x
  3. Step 3: Cross multiply
    5,030.70x = 7,543.61 × 2,108.22
  4. Step 4: Simplify right side
    5,030.70x = 15,903,570.41
  5. Step 5: Solve for x
    x = 15,903,570.41/5,030.70
  6. Step 6: Final answer
    x = 3,161.31

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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.