Home / 4,721.23-7,081.48-1,434.34

Finding the Fourth Proportional to 4,721.23, 7,081.48 and 1,434.34

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Solution

The fourth proportional to 4,721.23, 7,081.48 and 1,434.34 is: 2,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.23 : 7,081.48 = 1,434.34 : x
  2. Step 2: Convert to fraction form
    4,721.23/7,081.48 = 1,434.34/x
  3. Step 3: Cross multiply
    4,721.23x = 7,081.48 × 1,434.34
  4. Step 4: Simplify right side
    4,721.23x = 10,157,250.02
  5. Step 5: Solve for x
    x = 10,157,250.02/4,721.23
  6. Step 6: Final answer
    x = 2,151.40

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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.