Home / 5,301.40-7,315.94-2,943.48

Finding the Fourth Proportional to 5,301.40, 7,315.94 and 2,943.48

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Solution

The fourth proportional to 5,301.40, 7,315.94 and 2,943.48 is: 4,062.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.40 : 7,315.94 = 2,943.48 : x
  2. Step 2: Convert to fraction form
    5,301.40/7,315.94 = 2,943.48/x
  3. Step 3: Cross multiply
    5,301.40x = 7,315.94 × 2,943.48
  4. Step 4: Simplify right side
    5,301.40x = 21,534,323.07
  5. Step 5: Solve for x
    x = 21,534,323.07/5,301.40
  6. Step 6: Final answer
    x = 4,062.01

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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.