Home / 5,640.29-8,460.23-1,480.26

Finding the Fourth Proportional to 5,640.29, 8,460.23 and 1,480.26

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Solution

The fourth proportional to 5,640.29, 8,460.23 and 1,480.26 is: 2,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.29 : 8,460.23 = 1,480.26 : x
  2. Step 2: Convert to fraction form
    5,640.29/8,460.23 = 1,480.26/x
  3. Step 3: Cross multiply
    5,640.29x = 8,460.23 × 1,480.26
  4. Step 4: Simplify right side
    5,640.29x = 12,523,332.66
  5. Step 5: Solve for x
    x = 12,523,332.66/5,640.29
  6. Step 6: Final answer
    x = 2,220.34

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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.