Home / 7,190.51-10,784.85-5,344.32

Finding the Fourth Proportional to 7,190.51, 10,784.85 and 5,344.32

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Solution

The fourth proportional to 7,190.51, 10,784.85 and 5,344.32 is: 8,015.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.51 : 10,784.85 = 5,344.32 : x
  2. Step 2: Convert to fraction form
    7,190.51/10,784.85 = 5,344.32/x
  3. Step 3: Cross multiply
    7,190.51x = 10,784.85 × 5,344.32
  4. Step 4: Simplify right side
    7,190.51x = 57,637,689.55
  5. Step 5: Solve for x
    x = 57,637,689.55/7,190.51
  6. Step 6: Final answer
    x = 8,015.81

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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.