Home / 5,385.97-7,430.79-3,368.01

Finding the Fourth Proportional to 5,385.97, 7,430.79 and 3,368.01

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Solution

The fourth proportional to 5,385.97, 7,430.79 and 3,368.01 is: 4,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.97 : 7,430.79 = 3,368.01 : x
  2. Step 2: Convert to fraction form
    5,385.97/7,430.79 = 3,368.01/x
  3. Step 3: Cross multiply
    5,385.97x = 7,430.79 × 3,368.01
  4. Step 4: Simplify right side
    5,385.97x = 25,026,975.03
  5. Step 5: Solve for x
    x = 25,026,975.03/5,385.97
  6. Step 6: Final answer
    x = 4,646.70

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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.