Home / 5,370.57-7,411.45-2,980.59

Finding the Fourth Proportional to 5,370.57, 7,411.45 and 2,980.59

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Solution

The fourth proportional to 5,370.57, 7,411.45 and 2,980.59 is: 4,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.57 : 7,411.45 = 2,980.59 : x
  2. Step 2: Convert to fraction form
    5,370.57/7,411.45 = 2,980.59/x
  3. Step 3: Cross multiply
    5,370.57x = 7,411.45 × 2,980.59
  4. Step 4: Simplify right side
    5,370.57x = 22,090,493.76
  5. Step 5: Solve for x
    x = 22,090,493.76/5,370.57
  6. Step 6: Final answer
    x = 4,113.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.